Tychonov, A. N.  1906-1993. <br/><br/>
Partial differential equations of mathematical physics / 
[by] A. N. Tychonov and A. A. Samarski. Translated by S. Radding 
 - San Francisco :  Holden-Day,  1967. 
 - 2 v.,  621 p :  illus ;  26 cm 
 - Holden-Day series in mathematical physics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations<br/>Mathematical physics
<br/><br/><label>Dewey Class. No.: </label>517.383  / TYP 1967