ELSGOLTS, L ELSGOLTS, L <br/><br/>
DIFFERENTIAL EQUATIONS AND THE CALCULUS OF VARIATIONS 

 - MOSCOW  MIR PUBLISHERS  1970 
 -  440P. 
<br/><br/><label>Subjects--Topical Terms: </label><br/><br/>
<br/><br/><label>Dewey Class. No.: </label>515.35/ELS/DIF