@article{YJOR_1999_9_1_a4,
     author = {Wei and Tzen Yang and Li-Chuan Chu},
     title = {An {Integrated} {Planning} of {Production} and {Distribution} for {Multiple} {Suppliers}},
     journal = {Yugoslav journal of operations research},
     pages = {45 },
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1999},
     zbl = {0997.90001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_1999_9_1_a4/}
}