@article{10_4064_am_11_2_221_227,
     author = {M. Sys{\l}o},
     title = {Algorithm 5. {Solution} of the transportation problem by bridges dual labeling method},
     journal = {Applicationes Mathematicae},
     pages = {221--227},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1969},
     doi = {10.4064/am-11-2-221-227},
     zbl = {0227.65044},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-11-2-221-227/}
}