Elsgolts L <br/><br/>
Differential equation and the calculus of variations. 

 - Moscow  Mir Publishers        1970 
 - 440p.  cm. 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Standard No.: </label>112194 
<br/><br/><label>Source: </label> GIFT, 25/07/2011, Gift  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gift
<br/><br/><label>Dewey Class. No.: </label>B33, L0