Landis, E. M. <br/><br/>
Second order equations of elliptic and parabolic type   

 - Providence  American Mathematical Society  1998 
 - xi, 203p. Index, Bibl., Appendix. 
 - Translations of Mathematical monographs   v. 171 .
<br/><br/> "Purchased under NBHM grant for the year 1998-99"   
<br/><br/><label>Dewey Class. No.: </label>515.35  / L257.SO