Williams W E <br/><br/>
Partial differential equations 
Williams W E 
 - Oxfrod  Clarendon Press          1980 
 - xi,357p.  cm. 
 - Oxford Applied Mathematics and Computing Science Series .
<br/><br/><label>Standard No.: </label>22831 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Partial
<br/><br/><label>Dewey Class. No.: </label>B334, M0