05-60
- : Hasse's operator and directed graphs. (English). Časopis pro pěstování matematiky, vol. 92 (1967), issue 3, pp. 313-317
- : Directed graphs and their incidence matrices. (English). Časopis pro pěstování matematiky, vol. 90 (1965), issue 4, pp. 435-441
- : On finite and countable rigid graphs and tournaments. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 6 (1965), issue 4, pp. 429-438
Search
Partner of
