TY  - JOUR
AU  - K. A. Mikhailova
TI  - The entrance problem for direct unions of groups
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 1103
EP  - 1105
VL  - 119
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_119_6_a11/
LA  - ru
ID  - DAN_1958_119_6_a11
ER  -