@article{DA_2018_25_4_a8,
     author = {V. V. Shenmaier},
     title = {Approximability of the problem of finding a~vector subset with the longest sum},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {131--148},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2018_25_4_a8/}
}