Rassias, G.M & Rassias, T.M <br/><br/>
Differential geometry, calculus of variations & their applications 
Ed by G.M. Rassias & T.M. Rassias 
 - New York  Marcel Dekker  1985 
 - xiii  521 
 - Lecture notes in pure & applied mathematics 100 .
<br/><br/><label>ISBN: </label>0824772679 
<br/><br/><label>Dewey Class. No.: </label>8.05+4.13  / RASS