Lyusternik, L. A. <br/><br/>
Shortest paths variational problems / 
by L. A. Lyusternik ; translated by P. Collins and Robert B. Brown 
 - Oxford :  Pergamon Press,  1964 
 - x, 102p. ;  22 cm. 
 - Popular lectures in mathematics ;  v. 13 .
<br/><br/> Translation of: Kratchaischie linii 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations<br/>Curves on surfaces<br/>Geodesis (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>517.4