TY  - JOUR
AU  - S. V. Smirnov
TI  - Approximations of mappings into a group
JO  - Algebra i logika
PY  - 1978
SP  - 86
EP  - 101
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1978_17_1_a6/
LA  - ru
ID  - AL_1978_17_1_a6
ER  -