中国科学院数学与系统科学研究院期刊网
An Approximation Algorithm for the Dynamic Facility Location Problem with Submodular Penalties
Chun-yan JIANG, Gai-di LI, Zhen WANG
Acta Mathematicae Applicatae Sinica(English Series) . 2014, (1): 187 -192 .  DOI: 10.1007/s10255-014-0277-z