Martensen, Erich. <br/><br/>
Potentialtheorie. 

 - Stuttgart,  B. G. Teubner,  1968. 
 - Leitfaden der angewandten Mathematik und Mechanik ;  Bd. 12 .
<br/><br/> Errata slip inserted. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>76383322 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potential theory (Mathematics)
<br/><br/><label>LC Class. No.: </label>QA825  / .M39 
<br/><br/><label>Dewey Class. No.: </label>517/.38