@article{DA_1981_21_a6,
     author = {S. V. Sevast'yanov},
     title = {Some generalizations of the {Johnson} problem},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {45--61},
     publisher = {mathdoc},
     number = {21},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1981_21_a6/}
}