TY  - JOUR
AU  - S. R. Hambardzumyan
TI  - On the stability by acting force with pair imagining roots for the second order system
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 2003
SP  - 50
EP  - 56
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_2003_3_a7/
LA  - ru
ID  - UZERU_2003_3_a7
ER  -