SOMMERFELD, ARNOLD <br/><br/>
PARTIAL DIFFERENTIAL EQUATIONS IN PHYSICS 

 - FIFTH EDITION 
 - Estados Unidos  ACADEMIC PRESS  1950 NEW YORK 
 - 335 
<br/><br/><label>LCCN: </label>95072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FISICA
<br/><br/><label>Dewey Class. No.: </label>530