中国科学院数学与系统科学研究院期刊网
MULTI-FACILITY ORDERED MEDIAN PROBLEMS IN DIRECTED NETWORKS
Huajun TANG;T. C. Edwin CHENG;C. T. NG
MULTI-FACILITY ORDERED MEDIAN PROBLEMS IN DIRECTED NETWORKS
Huajun TANG;T. C. Edwin CHENG;C. T. NG
Journal of Systems Science and Complexity . 2011, (1): 61 -067 .  DOI: 10.1007/s11424-011-9327-2