Approximation theory:  papers presented at the Stefan Banach International Mathematical Center at the Semester "Approximation theory" held September 17-December 17, 1975/ 
editor of the volume, Zbigniew Ciesielski. 
 - Warszawa:  PWN-Polish Scientific Publishers,  1979. 
 - 316 p.:  ill.;  25 cm. 
 - Banach Center publications ;  v. 4.  0137-6934 .
 - Stefan Banach International Mathematical Center.  Banach Center publications.  v. 4. .
 - Banach Center publications ;  v. 4. .
<br/><br/> At head of added t.p. : Polish Academy of Sciences, Institute of Mathematics. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8301014911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory---Congresses.