TY  - JOUR
AU  - S. V. Sevast'yanov
TI  - Some generalizations of the Johnson problem
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 1981
SP  - 45
EP  - 61
IS  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_1981_21_a6/
LA  - ru
ID  - DA_1981_21_a6
ER  -