@article{DA_2010_17_5_a3,
     author = {A. V. Kel'manov and A. V. Pyatkin},
     title = {NP-completeness of~some problems of a~vectors subset choice},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {37--45},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2010_17_5_a3/}
}