Nayfeh, Ali Hasan <br/><br/>
Perturbation methods 

 - New York  John Wiley & Sons  1973 
 - 425 
<br/><br/><label>ISBN: </label>471399175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perturbation (Mathematics) asmptotic expensions
<br/><br/><label>Dewey Class. No.: </label>629.101515  / NAP