@article{DA_2009_16_3_a2,
     author = {V. M. Kartak},
     title = {The grouping method for the linear relaxation of 1d cutting stock problem},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {47--62},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2009_16_3_a2/}
}