@article{IVM_2000_12_a10,
     author = {M. K. Kravtsov and V. M. Kravtsov and E. V. Lukshin},
     title = {On the number of $r$-fractional vertices of the polyhedron of a~tri-index axial choice problem},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {89--92},
     publisher = {mathdoc},
     number = {12},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2000_12_a10/}
}