TY  - JOUR
AU  - M. G. Abrahamian
AU  - V. I. Petviashvili
AU  - A. M. Fridman
TI  - The nonlinear perturbations of gravitating disk and spiral structure of galaxies
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 1988
SP  - 70
EP  - 77
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_1988_3_a8/
LA  - ru
ID  - UZERU_1988_3_a8
ER  -