An upper bound on the path number of a digraph
Tài liệu tham khảo
Alspach, 1976, Path numbers of tournaments, J. Combinatorial Theory (B), 20, 222, 10.1016/0095-8956(76)90013-7
Alspach, 1974, Path decompositions of digraphs, Bull. Austral. Math. Soc., 10, 421, 10.1017/S0004972700041101
Lucas, 1891, Vol. II