共 19 条
[2]
Bradley G. H., 1971, Discrete Mathematics, V1, P29, DOI 10.1016/0012-365X(71)90005-7
[3]
CHVATAL V, 1977, ANN DISCRETE MATH, V1, P145
[4]
COOK SA, 1976, COMMUNICATION OCT
[5]
Edmonds J., 1975, ANN DISCRETE MATH, V1, P185
[6]
Gale D., 1960, THEORY LINEAR EC MOD
[7]
Garey Michael R., 1979, COMPUTERS INTRACTABI
[8]
Garfinkel R. S., 1972, INTEGER PROGRAMMING