Singer, Ivan <br/><br/>
The theory of best approximation and functional analysis 
Ivan Singer 
 - Philadelphia, PA  Society for Industrial and Applied Mathematics  1974 
 - vii, 95 p. ; 25 cm 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9780898710106 
<br/><br/><label>ISSN: </label>74182915 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory<br/>Functional analysis
<br/><br/><label>Dewey Class. No.: </label>515.7 SIN