Loffe, A.D. <br/><br/>
Theory oF Extremal Problems 
/ by A.D. Loffe and V. M. Tihomirov 
 - New York:  North-Holland Publishing Company,  1979. 
 - xii,460p.	 
 - Studies in Mathematics and its Applications (vol-6) .
<br/><br/><label>ISBN: </label>0444851674 
<br/><br/><label>Dewey Class. No.: </label>515.64  / LOF/T