Khavinson, S. YA. <br/><br/>
Best approximation by linear superpositions (approximate nomography)/ 
 Approximate nomography 
S. Ya. Khavinson ; translated by D. Khavinson from an original Russian manuscript. 
 - Providence, R.I.:  American Mathematical Society,  c1997. 
 - vii, 175 p.;  26 cm. 
 - Translations of mathematical monographs;  v. 159. .
<br/><br/>Includes bibliographical references (p. 169-175). 
<br/><br/><label>ISBN: </label>0821804227 (alk. paper) 
<br/><br/><label>LCCN: </label>96036520 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory.<br/>Functions of several real variables.<br/>Functional analysis.
<br/><br/><label>Dewey Class. No.: </label>511.4  / K45b