Tychonov, A., <br/><br/>
Partial differential equations of mathematical physics / . 

 - 2 volúmenes. . 
 - Holden-Day series in mathematical physics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>FISICA MATEMATICA.
<br/><br/><label>Dewey Class. No.: </label>530:51