共 7 条
[1]
HALL M, 1998, COMBINATORIAL THEORY
[2]
INUKAI T, UNPUBLISHED
[4]
Ito Y., 1978, Transactions of the Institute of Electronics and Communication Engineers of Japan, Section E (English), VE61, P98
[5]
Kruskal J.B., 1956, P AM MATH SOC, V7, P3, DOI [10.2307/2033241, DOI 10.1090/S0002-9939-1956-0078686-7, 10.1090/S0002-9939-1956-0078686-7]
[6]
Lawler EL., 2001, COMBINATORIAL OPTIMI
[7]
Welsh D.J.A., 1976, MATROID THEORY