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:
An alternate approach to the Pirogov – Sinai theory, not employing the models with a parameter Zahradník, Miloš Similarity: