@article{DA_1980_20_a5,
     author = {S. V. Sevast'yanov},
     title = {Approximate algorithms in {Johnson} problems and the summation of vectors},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {64--73},
     year = {1980},
     number = {20},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1980_20_a5/}
}