Graphs with given subgraphs represent all categories Václav Koubek (1977) Commentationes Mathematicae Universitatis Carolinae Similarity:
Correction to my paper: “Remark on locally fine spaces” [Comment. Math. Univ. Carolinae 16 (1975), 501-504] Jan Pelant (1977) Commentationes Mathematicae Universitatis Carolinae Similarity:
Concerning representations of small categories Karel Drbohlav (1963) Commentationes Mathematicae Universitatis Carolinae Similarity: