TY  - JOUR
AU  - N. E. Mirzakhanyan
AU  - H. V. Piliposyan
TI  - On a question of A. Sozutov
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 2018
SP  - 88
EP  - 92
VL  - 52
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_2018_52_2_a2/
LA  - en
ID  - UZERU_2018_52_2_a2
ER  -