@article{DAN_1981_259_1_a5,
     author = {Yu. M. Makarenkov},
     title = {The $X$-matrix simplex method},
     journal = {Doklady Akademii Nauk},
     pages = {30--33},
     year = {1981},
     volume = {259},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_259_1_a5/}
}