@article{PDM_2016_3_a6,
     author = {V. G. Durnev and O. V. Zetkina and A. I. Zetkina and D. M. Murin},
     title = {About the {coNP-complete} {``Injective} knapsack'' problem},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {85--92},
     publisher = {mathdoc},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2016_3_a6/}
}