TY  - JOUR
AU  - L. P. Tepoyan
AU  - H. S. Grigoryan
TI  - On degenerate nonself-adjoint differential equations of fourth order
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 2012
SP  - 29
EP  - 33
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_2012_3_a5/
LA  - en
ID  - UZERU_2012_3_a5
ER  -