Nayfeh, Ali Hasan <br/><br/>
Problems in perturbation 

 - New York  ; John Wiley & Sons  , 1985 
 - 556p. 
<br/><br/><label>ISBN: </label>0471822922   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical Analysis<br/>Mathematics<br/>Perturbation
<br/><br/><label>Dewey Class. No.: </label>515  / NAY