TY  - JOUR
AU  - Sh. K. Navasardyan
TI  - Perfectly stable and normal subgroups
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 2022
SP  - 27
EP  - 32
VL  - 56
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_2022_56_1_a3/
LA  - en
ID  - UZERU_2022_56_1_a3
ER  -