Partial differential equations V  Asymptotic methods for partial differential equations 
ed by M V Fedoryuk 
 - Berlin  Springer  1999 
 - 247p 
 - Encyclopaedia of mathematical sciences  V.34 .
<br/><br/><label>ISBN: </label>9783540533719 
<br/><br/><label>Dewey Class. No.: </label>515.353  / N99.5 (MA)