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@article{PORMA_1979__38_1-2_115378, author = {Veira Martins, Ernesto Q.}, title = {A dual algorithm for the minimal cost flow problem}, journal = {Portugaliae mathematica}, pages = {155--165}, publisher = {mathdoc}, volume = {38}, number = {1-2}, year = {1979}, mrnumber = {0682365}, zbl = {0498.90035}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1979__38_1-2_115378/} }
Veira Martins, Ernesto Q. A dual algorithm for the minimal cost flow problem. Portugaliae mathematica, Tome 38 (1979) no. 1-2, pp. 155-165. http://geodesic.mathdoc.fr/item/PORMA_1979__38_1-2_115378/