BOGOLIUBOV, N.N. <br/><br/>
Asymptotic Methods in the Theory of Non-Linear Oscillations  Asymptotic Methods in the Theory of Non-Linear Oscillations, Delhi : Hindustan Publishing Corporation, 1961 
N.N. BOGOLIUBOV 
 - Delhi  Hindustan Publishing Corporation  1961 
<br/><br/><label>Dewey Class. No.: </label>531.32