共 6 条
[1]
Read Ronald C., 1968, J COMBINATORIAL THEO, V4, P52
[2]
Rota G.-C., 1964, Z WAHRSCHEINLICHKEIT, V2, P340, DOI DOI 10.1007/BF00531932
[3]
Stanley R. P., 1973, Discrete Mathematics, V5, P171, DOI 10.1016/0012-365X(73)90108-8
[4]
ZASLAVSKY T, 1982, UNPUB DISCRETE APPL, V4
[5]
ZASLAVSKY T, UNPUB ORIENTATION SI
[6]
ZASLAVSKY T, UNPUB DISCR MATH