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Hassi Seppo; Sebestyén Zoltán; Snoo Henk de: Lebesgue type decompositions for linear relations and Ando’s uniqueness criterion. In: Acta scientiarum mathematicarum, (84) 3-4. pp. 465-507. (2018)
Sebestyén Zoltán; Tarcsay Zsigmond: Adjoint of sums and products of operators in Hilbert spaces. In: Acta scientiarum mathematicarum, (82) 1-2. pp. 175-191. (2016)
Popovici Dan; Sebestyén Zoltán: On operators which are adjoint to each other. In: Acta scientiarum mathematicarum, (80) 1-2. pp. 175-194. (2014)
Sebestyén Zoltán; Tarcsay Zsigmond; Neumann János: A reversed von Neumann theorem. In: Acta scientiarum mathematicarum, (80) 3-4. pp. 659-664. (2014)
Sebestyén Zoltán; Tarcsay Zsigmond; Titkos Tamás; Kérchy László: Lebesgue decomposition theorems. In: Acta scientiarum mathematicarum, (79) 1-2. pp. 219-233. (2013)
Sebestyén Zoltán; Sikolya Eszter: On Krein-von Neumann and Friedrichs extensions. In: Acta scientiarum mathematicarum, (69) 1-2. pp. 323-336. (2003)
Simon-Sarkadi Lívia; Kocsy Gábor; Sebestyén Zoltán: Effect of salt stress on free amino acid and polyamine content in cereals. In: Acta biologica Szegediensis, (46) 3-4. pp. 73-75. (2002)
Sebestyén Zoltán: Positivity of operator products. In: Acta scientiarum mathematicarum, (66) 1-2. pp. 287-294. (2000)
Prokaj Vilmos; Sebestyén Zoltán: On Friedrichs extensions of operators. In: Acta scientiarum mathematicarum, (62) 1-2. pp. 243-246. (1996)
Prokaj Vilmos; Sebestyén Zoltán: On extremal positive operator extensions. In: Acta scientiarum mathematicarum, (62) 3-4. pp. 485-491. (1996)
Sebestyén Zoltán: Operator extensions on Hilbert space. In: Acta scientiarum mathematicarum, (57) 1-4. pp. 233-248. (1993)
Sebestyén Zoltán; Stochel Jan: Restrictions of positive self-adjoint operators. In: Acta scientiarum mathematicarum, (55) 1-2. pp. 149-154. (1991)
Sebestyén Zoltán: Moment theorems for operators on Hilbert space II. In: Acta scientiarum mathematicarum, (47) 1-2. pp. 101-106. (1984)
Sebestyén Zoltán: An elementary minimax theorem. In: Acta scientiarum mathematicarum, (47) 3-4. pp. 457-459. (1984)
Sebestyén Zoltán: Moment problem for dilatable semigroups of operators. In: Acta scientiarum mathematicarum, (45). pp. 365-376. (1983)
Sebestyén Zoltán: On ranges of adjoint operators in Hilbert space. In: Acta scientiarum mathematicarum, (46). pp. 295-298. (1983)
Sebestyén Zoltán: Restrictions of positive operators. In: Acta scientiarum mathematicarum, (46). pp. 299-301. (1983)
Sebestyén Zoltán: Moment theorems for operators on Hilbert space. In: Acta scientiarum mathematicarum, (44) 1-2. pp. 165-171. (1982)
Sebestyén Zoltán: On extendibility of *-representations from *-ideals. In: Acta scientiarum mathematicarum, (40) 1-2. pp. 169-174. (1978)
Sebestyén Zoltán: A weakening of the definition of C*-algebras. In: Acta scientiarum mathematicarum, (35). pp. 17-20. (1973)
