Zelenyak, T.I., et al <br/><br/>
Qualitative theory of parabolic equations, part 1 
T.I. Zelenyak, et al 
 - Netherland  De Gruyter  1997 
 - vi  417 
<br/><br/><label>ISBN: </label>9789067642361 
<br/><br/><label>Dewey Class. No.: </label>10.04+6.04  / ZELE