Encyclopaedia of Mathematical Sciences <br/><br/>
Partial differential equations V  : asymptotic methods for partial differential equations / 

 - Berlin:  Springer-Verlag,  1999 
 - 247p. Bibl. Index. 
 - Encyclopaedia of Mathematical Sciences ; 34 .
<br/><br/><label>ISBN: </label>3540533710 
<br/><br/><label>Dewey Class. No.: </label>510.3  / En56.34