Elsgolts, L. E., <br/><br/>
Calculus of variations / 
By l.e. elsgolc 
 - 178 páginas 
 - International series of monographs in pure and applied mathematics ;  v. 19 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cálculo de variaciones
<br/><br/><label>LC Class. No.: </label>QA315  / E513 1962