Bogoliubov N N <br/><br/>
Asymptotic methods in the theory of non-linear oscillations 
Bogoliubov N N; Mitropolsky Y A 
 -  1961 
 - p.  cm. 
 - International monographs on advanced mathematics and physics .
<br/><br/><label>Standard No.: </label>24704 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanics
<br/><br/><label>Dewey Class. No.: </label>B7:5, K1-;1