TY  - BOOK
AU  - Bogoliubov,N.N.
AU  - Mitropolskii,V.A
TI  - Asymptotic methods in the theory of non-linear oscillations
U1  - 517.382 
PY  - 1961///
CY  - Delhi
PB  - Hindustan Pub. Corp.
KW  - Oscillations
KW  - Asymptotes
N1  - This book is a translation from Russian book; Includes bibliographical references and index
ER  -