Nachbin, Leopoldo. <br/><br/>
Elements of approximation theory /    
Leopoldo Nachbin. 
 - Princeton, N. J. :   Van Nostrand,   1967. 
 - xii, 119 p. ;    21 cm. 
 - Van Nostrand mathematical studies ;   no. 14. .
<br/><br/>Includes bibliographical references (p. 114-119). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory.--------<br/>Linear topological spaces.--------
<br/><br/><label>Dewey Class. No.: </label>513 .83