Approximation of functions and operators / 
Edited by S. B. Steckin 
 - 1a ed. 
 - Providence, Rhode Island :   American Mathematical Society,   c1977 
 - iii, 211 p. :  25 cm 
 - (Proceedings of the Steklov Institute of Mathematics ;  (1975))  V.138 .
<br/><br/><label>ISBN: </label>0821830384 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analisis funcional--Congresos, conferencias, etc.
<br/><br/><label>LC Class. No.: </label>QA321  / A67 1977