@article{DM_1995_7_2_a0,
     author = {M. K. Kravtsov and A. A. Gladkii},
     title = {On the number of bases in a transportation problem with exclusions},
     journal = {Diskretnaya Matematika},
     pages = {3--18},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1995_7_2_a0/}
}