Bogoliubov N N <br/><br/>
Asymptotic methods in the theory of non-linear oscillations 

 - Delhi  Hindustan Publishing Corpn. India       1961 
<br/><br/> DSK Collection 
<br/><br/><label>Standard No.: </label>103600 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>B7:5, K1