01150nam a2200289 i 450099100069342970753620020507172340.0980625s1977 us ||| | eng 0821830384b10744071-39ule_instLE01300818ExLDip.to MatematicaengAMS 00B25Stechkin, S. B.534685Approximation of functions and operators /edited by S. B. SteckinProvidence, R.I. :American Mathematical Society,1977iii, 211 p. ;26 cm.Proceedings of the Steklov Institute of Mathematics, ISSN 00815438 ;138 (1975)Translation of: Priblizhenie funktsii i operatorov.Includes bibliographical referencesApproximation theory.b1074407123-02-1728-06-02991000693429707536LE013 00B STE11 V.138 (1977)12013000100487le013-E0.00-l- 00000.i1083560x28-06-02Approximation of functions and operators910723UNISALENTOle01301-01-98ma -engus 01