Syntopogene halbgruppen Császár, Á. — 1967 General Topology and its Relations to Modern Analysis and Algebra
Complétion et compactification d'espaces syntopogènes Császár, Á. — 1962 General Topology and its Relations to Modern Analysis and Algebra
Some problems concerning C ( X ) Császár, Á. — 1977 General topology and its relations to modern analysis and algebra IV
Simultaneous extensions of proximities, semi-uniformities, contiguities and merotopies. II. Császár, Á.; Deák, J. — 1991 Mathematica Pannonica
Simultaneous extensions of proximities, semi-uniformities, contiguities and merotopies. IV. Császár, Á.; Deák, J. — 1992 Mathematica Pannonica
Simultaneous extensions of proximities, semi-uniformities, contiguities and merotopies. III. Császár, Á.; Deák, J. — 1991 Mathematica Pannonica
Simultaneous extensions of proximities, semi-uniformities, contiguities and merotopies. I. Császár, Á.; Deák, J. — 1990 Mathematica Pannonica