TY  - JOUR
AU  - G. E. Kuzmak
TI  - Asymptotic solutions of the equation of motion for a non-linear oscillatory system having one degree of freedom 

JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 461
EP  - 464
VL  - 120
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_120_3_a4/
LA  - ru
ID  - DAN_1958_120_3_a4
ER  -