共 4 条
[2]
LovSSsz L., 1972, DISCRETE MATH, V2, P253, DOI [DOI 10.1016/0012-365X(72)90006-4, 10.1016/0012-365X(72)90006-4]
[3]
OLARIU S, IN PRESS J COMB TH B
[4]
Seinsche D., 1974, Journal of Combinatorial Theory, Series B, V16, P191, DOI 10.1016/0095-8956(74)90063-X