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Fong Yuen; Huang Feng-Kuo; Wiegandt Richard: Radical theory for group semiautomata. In: Acta cybernetica, (11) 3. pp. 169-188. (1994)
Márki László; Mlitz Rainer; Wiegandt Richard: A note on radical and semisimple classes of topological rings. In: Acta scientiarum mathematicarum, (51) 1-2. pp. 145-151. (1987)
Nguyễn Văn Lọ'l; Wiegandt Richard: Involution algebras and the Anderson-Divinsky-Suliński property. In: Acta scientiarum mathematicarum, (50) 1-2. pp. 5-14. (1986)
Widiger Alfred; Wiegandt Richard: Theory of radicals for hereditarily artinian rings. In: Acta scientiarum mathematicarum, (39) 3-4. pp. 303-312. (1977)
Wiegandt Richard: Local and residual properties in bicategories. In: Acta scientiarum mathematicarum, (32) 1-2. pp. 195-205. (1971)
Wiegandt Richard: On the socle of an object in categories : To Professor L. Redei on his 70th birthday. In: Acta scientiarum mathematicarum, (31) 3-4. pp. 245-251. (1970)
Wiegandt Richard: Über lokal linear kompakte Ringe. In: Acta scientiarum mathematicarum, (28) 3-4. pp. 255-260. (1967)
Wiegandt Richard: Bemerkung zu einer Arbeit von Herrn Steinfeld. In: Acta scientiarum mathematicarum, (23) 1-2. pp. 74-75. (1962)
Wiegandt Richard: Bemerkung über die einstufig nichtregulären Ringe : Herrn Professor L. Rédei zum 60. Geburtstag gewidmet. In: Acta scientiarum mathematicarum, (21) 3-4. pp. 350-352. (1960)
Wiegandt Richard: On the general theory of Möbius inversion formula and Möbius product. In: Acta scientiarum mathematicarum, (20). pp. 164-180. (1959)
Wiegandt Richard: On complete semi-groups. In: Acta scientiarum mathematicarum, (19) 1-2. pp. 93-97. (1958)
Wiegandt Richard: On complete semi-modules. In: Acta scientiarum mathematicarum, (19) 3-4. pp. 219-223. (1958)
