Postnikov, M. M. <br/><br/>
The variational theory of geodesics / 
M.M. Postnikov ; translated by Scripta Technic, Inc. ; edited by Bernard R. Gelbaum. 
 - New York :  Dover Publications,  1983, c1967. 
 - viii, 200 p. :  ill. ;  24 cm. 
<br/><br/> Translation of: Variat︠s︡ionnai︠a︡ teorii︠a︡ geodezicheskikh.  Reprint. Originally published: Philadelphia : Saunders, 1967.  Includes index. 
<br/><br/><label>ISBN: </label>0486631664 (pbk.) : 
<br/><br/><label>LCCN: </label>82018215  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geodesics (Mathematics)<br/>Calculus of variations.
<br/><br/><label>Dewey Class. No.: </label>516.3/6  / P858