@article{DAN_1990_315_6_a2,
     author = {M. K. Kravtsov},
     title = {Polyhedral aspects of multi-index transportation problems with},
     journal = {Doklady Akademii Nauk},
     pages = {1298--1302},
     publisher = {mathdoc},
     volume = {315},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_315_6_a2/}
}