Elsgolts, L. <br/><br/>
Differential equations & the calculus of variations /  
L. Elsgolts. 
 - 440 ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Mathematics.<br/>Differential equations.<br/>Calculus.
<br/><br/><label>Dewey Class. No.: </label>515.3  / E49