共 6 条
[1]
BJORNER A, IN PRESS COMBINATORI
[2]
CHUNG FRK, 1986, J COMB THEORY A, V42, P23
[3]
Katona G., 1968, THEOREM FINITE SETS, P187
[4]
Katona G.O.H., 1964, ACTA MATH ACAD SCI H, V15, P329
[5]
Kruskal J. B., 1963, MATH OPTIMIZATION TE, P251
[6]
STANLEY RP, 1979, T AM MATH SOC, V249, P139