共 14 条
[1]
BEASLEY JE, 1990, J OPER RES SOC, V41, P1069, DOI 10.1038/sj/jors/0411109
[2]
BELOTTI P, IN PRESS 4OR
[6]
Cornuejols G., 1977, STUDIES INTEGER PROG, V1, P163, DOI DOI 10.1016/S0167-5060(08)70732-5
[8]
Gerrard R. A., 1996, Location Science, V4, P251, DOI 10.1016/S0966-8349(97)00001-6