Theorems on multifunctions satisfying a rational inequality Valeriu Popa (1983) Commentationes Mathematicae Universitatis Carolinae Similarity:
Fixed point theorems based on Leray-Schauder degree Svatopluk Fučík (1967) Commentationes Mathematicae Universitatis Carolinae Similarity:
No upper bound for cardinalities of Tychonoff C.C.C. spaces with a G δ -diagonal exists (an answer to J. Ginsburg and R. G. Woods’ question) Dmitriĭ B. Shakhmatov (1984) Commentationes Mathematicae Universitatis Carolinae Similarity: