Vainberg, B. R. <br/><br/>
Asymptotic methods in equations of mathematical physics / 
by B. R. Vainberg ; translated from the Russian by E. Primrose 
 - New York :  Gordon and Breach Science Publishers,  1989 
 - 498 p. ;  23 cm. 
<br/><br/> Translation of : Asimptoticheskiye metody v uravneniiakh matematicheskoi fizike 
<br/><br/><label>ISBN: </label>2881246648 
<br/><br/><label>LCCN: </label>87-35863 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--Asymptotic theory<br/>Mathematical physics