TY  - JOUR
AU  - S. V. Sarkissian
TI  - On the vibration of nonhomogeneous string
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 1990
SP  - 41
EP  - 44
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_1990_3_a6/
LA  - ru
ID  - UZERU_1990_3_a6
ER  -