@article{DA_1997_4_2_a2,
     author = {Yu. A. Kochetov and A. V. Plyasunov},
     title = {A~polynomially solvable class of two-level linear programming problems},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {23--33},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1997_4_2_a2/}
}