中国科学院数学与系统科学研究院期刊网
JSSI
A Modified Gravity p-Median Model for Optimizing Facility Locations
Zhuolin TAO, Qingjing ZHENG, Hui KONG
Journal of Systems Science and Information . 2018, (5): 421 -434 .  DOI: 10.21078/JSSI-2018-421-14