共 5 条
[1]
Ford Lester R., 1962, FLOWS NETWORKS
[2]
Gale D., 1959, MICH MATH J, V6, P59
[3]
Gale D., 1957, PACIFIC J MATH, V7, P1073, DOI [10.2140/pjm.1957.7.1073, DOI 10.2140/PJM.1957.7.1073]