Wanjala, Iyaya C.C.  <br/><br/>
Elementary partial differential equations   : simplified theory / 
Charles C. Iyaya Wanjala 
 - Nairobi:  LAP LAMBERT academic,  2013. 
 - * 
<br/><br/><label>ISBN: </label>9783659387906 
<br/><br/><label>LC Class. No.: </label>QA377  / .W34 2013