Sidney, S. J. <br/><br/>
Notes on rational approximation/ 
by S.J. Sidney. 
 - [New Haven]:  Yale University Press,  1970. 
 - 184 l.:  28cm. 
<br/><br/>Bibliography: leaf 184. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory.
<br/><br/><label>Dewey Class. No.: </label>512.55