@article{DA_2000_7_4_a6,
     author = {K. N. Kashirskich and S. V. Sevast'yanov and I. D. Chernykh},
     title = {A~four-parameter analysis of the complexity of the open shop problem},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {59--77},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2000_7_4_a6/}
}