@article{TIMM_2014_20_4_a4,
     author = {M. P. Vashchenko and Ya. S. Pronin and A. A. Shananin},
     title = {A mathematical model of the economics of railway cargo transportation},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {44--59},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2014_20_4_a4/}
}