Lagerstrom, P.A <br/><br/>
Matched asymptotic expansions  ideas & techniques 
P.A. Lagerstrom 
 - New York  Springer  1988 
 - xii  250 
 - Applied mathematical sciences 76 .
<br/><br/><label>ISBN: </label>0387968113  
<br/><br/><label>Dewey Class. No.: </label>4.04  / LAGE