Nachbin, Leopoldo. <br/><br/>
Elements of approximation theory. 
[by] Leopoldo Nachbin 
 - Princeton, N.J.,  Van Nostrand  [c1967] 
 - xii, 119 p.  21 cm. 
 - Van Nostrand mathematical studies, no. 14 .
<br/><br/>Bibliography: p. 114-119. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory.<br/>Linear topological spaces.
<br/><br/><label>Dewey Class. No.: </label>515.7