Sommerfeld, Arnold,  1868-1951. <br/><br/>
Partial differential equations in physics / 
Tr. by Ernst G. Straus. 
 - New York :  Academic Press,  1949 [Reprent 1961]. 
 - xi, 335 p. :  ill. ;  24 cm. 
 - His lectures on theortical physics,  v.6. .
 - His lectures on theortical physics,  v. 6. .
<br/><br/> Includes Index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.<br/>Mathematical physics.
<br/><br/><label>Dewey Class. No.: </label>515.353  / SOP 1957