@article{ZVMMF_2013_53_5_a13,
     author = {V. M. Kravtsov and M. K. Kravtsov},
     title = {Characterization of the types of maximum noninteger vertices in the relaxation polyhedron of the four-index axial assignment problem},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {825--836},
     publisher = {mathdoc},
     volume = {53},
     number = {5},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2013_53_5_a13/}
}