Flavin, James N. <br/><br/>
Qualitative Estimates for Partial Differential Equations  An Introduction 
/ by James N. Flavin & Salvatore Rionero 
 - New York  Crc Press  1996 
 - 368p. 
<br/><br/><label>ISBN: </label>9790849385123 
<br/><br/><label>Dewey Class. No.: </label>515.353  / FLA/Q