Tyn Myint U. <br/><br/>
Partial differential equations of mathematical physics/ 
Tyn Myint U. 
 - [1st ed.] 
 - New York:  American Elsevier,  1973. 
 - 365 p. 
<br/><br/><label>Dewey Class. No.: </label>515.35  / T987p