@article{RO_2016__50_1_39_0,
     author = {Li, Weidong and Li, Jianping and Guan, Li and Shi, Yaomin},
     title = {The {Prize-collecting} {Call} {Control} {Problem} on {Weighted} {Lines} and {Rings}},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {39--46},
     publisher = {EDP-Sciences},
     volume = {50},
     number = {1},
     year = {2016},
     doi = {10.1051/ro/2015010},
     mrnumber = {3460661},
     zbl = {1333.90110},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2015010/}
}