@article{DM_1991_3_2_a0,
     author = {V. A. Emelichev and M. K. Kravtsov},
     title = {Polyhedral aspects of multi-index axial transportation problems},
     journal = {Diskretnaya Matematika},
     pages = {3--24},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1991_3_2_a0/}
}