@article{DA_1998_5_2_a1,
     author = {L. Y. Gorbachevskaya},
     title = {Algorithms for and the complexity of the solution of two-level standardization problems with correction of revenue},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {20--33},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1998_5_2_a1/}
}