Bleecker, David. <br/><br/>
Basic partial differential equations / 
David Bleecker, George Csordas. 
 - New York :  Van Nostrand Reinhold,  c1992. 
 -  1 v. (various pagings) ;  25 cm. 
<br/><br/><label>ISBN: </label>0442012535 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.
<br/><br/><label>LC Class. No.: </label>QA374  / .B54