@article{VVGUM_2020_23_4_a4,
     author = {E. V. Khizhnyakova},
     title = {Transportation planning with minimal costs},
     journal = {Matemati\v{c}eska\^a fizika i kompʹ\^uternoe modelirovanie},
     pages = {51--55},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VVGUM_2020_23_4_a4/}
}