Bibliographie. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 211-228. (1990)
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Adams Michael E.; Clark David M.: Endomorphism monoids in minimal quasi primal varieties. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 37-52. (1990)
Banaszczyk Maria Zofia; Majchrzak Ryszarda: An integral formula for a Riemannian manifold with three orthogonal distributions. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 201-207. (1990)
Behrendt Gerhard: Equivalence systems and generalized wreath products. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 257-268. (1990)
Bigelow David; Burris Stanley: Boolean algebras of factor congruences. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 11-20. (1990)
Bosznay Ádám Péter; Garay Barnabás M.: Erratum to "On a geometric problem concerning discs". In: Acta scientiarum mathematicarum, (54) 1-2. pp. 209-210. (1990)
Bouldin Richard: The distance to operators with a fixed index. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 139-143. (1990)
Constantinescu Tiberiu: Some aspects of nonstationarity I. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 379-389. (1990)
Fried Erich; Grätzer George A.: Generalized congruences and products of lattice varieties. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 21-36. (1990)
Garay Barnabás M.: An interpretation of Cellina's example : negligibility via the failure of Peano's theorem. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 115-127. (1990)
Grätzer George A.; Wenzel Günter H.: Notes on tolerance relations of lattices. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 229-240. (1990)
Guariglia Emma: Uniform boundedness theorems for k-triangular set functions. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 391-407. (1990)
Haddad Lucien; Rosenberg Ivo G.; Schweigert Dietmar: A maximal partial clone and a Slupecki-type criterion. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 89-98. (1990)
Henrich Wolfgang: Starke Approximation von Orthogonalreihen mit Cesàroverfahren. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 305-312. (1990)
Kawamura Shinzō; Takemoto Hideo; Tomiyama Jun: State extensions in transformation group C*-algebras. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 191-200. (1990)
Kelarev Andrej V.; Volkov Mikhail V.: Separation of the radical in ring varieties II. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 53-56. (1990)
Kiss Emil W.; Pöschel Reinhard; Prőhle Péter: Subvarieties of varieties generated by graph algebras. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 57-75. (1990)
Kovács István; McMillen William R.: Contraction representations of semigroups in finite von Neumann algebras. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 133-137. (1990)
Kurusa Árpád: A characterization of the Radon transform and its dual on Euclidean space. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 273-276. (1990)
Kátai Imre: Some problems and results on the local behaviour of arithmetical functions. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 3-10. (1990)
Leindler László: Further sharpening of inequalities of Hardy and Littlewood. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 285-289. (1990)
Leindler László: On strong approximation with consequences of almost everywhere type. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 99-108. (1990)
Lengvárszky Zsolt: On *-bases in lattices of finite length. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 77-81. (1990)
Mbekhta Mostafa: Sur l'unicité de la décomposition de Kato généralisée. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 367-377. (1990)
Nguyễn Xuân Ký: On imbedding theorems for weighted polynomial approximation and modulus of continuity of functions. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 313-325. (1990)
Nicolescu Liviu; Pripoae Gabriel-Teodor: Hypersurfaces de type semi-symétrique dans Rn+1. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 83-87. (1990)
Németh József: Fourier series with positive coefficients and generalized Lipschitz classes. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 291-304. (1990)
Páles Zsolt: On Young-type inequalities. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 327-338. (1990)
Rachůnek Jiří: A characterization of o-distributive semilattices. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 241-246. (1990)
Rao Geetha S.; Swaminathan M.: Best coapproximation and Schauder bases in Banach spaces. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 339-354. (1990)
Seifert Benedict G.: Non type-preserving automorphism groups of buildings and normalizing Tits systems. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 247-256. (1990)
Srivastava Hari Mohan: Some operational formulas of O. V. Viskov involving Laguerre polynomials. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 129-132. (1990)
Stachó László Lajos; Isidro José María: Algebraically compact elements of JBW*-triples. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 171-190. (1990)
Strommer Gyula: Ein neuer elementarer Beweis der Kreisaxiome der hyperbolischen Geometrie. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 269-271. (1990)
Szalay István: On the strong convergence of orthogonal series with almost everywhere uniformly bounded orthonormal systems. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 109-114. (1990)
Talalân Aleksandr Andraniki; Gevorkân Gegham G.: Predstavlenie absolûtno nepreryvnyh funkcij mnogih peremennyh. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 277-283. (1990)
Ter Elst Antonius Frederik Maria: Antinormal operators. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 151-158. (1990)
Ter Elst Antonius Frederik Maria: Approximation by unitary operators. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 145-149. (1990)
Tietz Hubert: Schmidtsche Umkehrbedingungen für Potenzreihenverfahren. In: Acta scientiarum mathematicarum, (54) 3-4. pp. 355-365. (1990)
Tong Yu-Sun: Kernels of generalized derivations. In: Acta scientiarum mathematicarum, (54) 1-2. pp. 159-169. (1990)