TY  - JOUR
AU  - A. A. Kravchenko
TI  - Balanced and cobalanced Butler groups
JO  - Matematičeskie zametki
PY  - 1989
SP  - 32
EP  - 37
VL  - 45
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1989_45_5_a3/
LA  - ru
ID  - MZM_1989_45_5_a3
ER  -