@article{DM_1992_4_3_a8,
     author = {M. K. Kravtsov},
     title = {Transportation polytopes with a~minimal number of $k$-faces},
     journal = {Diskretnaya Matematika},
     pages = {108--117},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1992_4_3_a8/}
}