Hellwig Gunter Ed. <br/><br/>
Differential operators of mathematical physics: An introduction 
Hellwig Gunter Ed. 
 -  1964 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>30155 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Differential calculus<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B3210C, K7