@article{10_4064_am_15_2_191_213,
     author = {W. Grabowski},
     title = {Lexicographic and time minimization in the transportation problem},
     journal = {Applicationes Mathematicae},
     pages = {191--213},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1976},
     doi = {10.4064/am-15-2-191-213},
     zbl = {0329.90038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-15-2-191-213/}
}