Korneichuk, N. <br/><br/>
Exact constants in approximation theory/ 
N. Korneichuk , 
 - 1st ed. 
 -  Cambridge,  1991. 
 - 468 pages 
<br/><br/><label>ISBN: </label>9780521382342 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>511.4  / KOR