TY  - GEN
AU  - Bogoliubov, N. N. 
AU  - Mitropolsky, Y. A.
TI  - Asymptotic Methods in the Theory of Non-Linear Oscillations
U1  - 521.32 BOG-MIT 
PY  - 1961///
CY  - Delhi
PB  - Hindustan Publishing Corpn.
KW  - Non-Linear Oscillations / Asymptotic Methods
N1  - Includes Includes Bibliography
ER  -