TY  - BOOK
AU  - Steckin,S.B.
TI  - Approximation of functions and operators
T2  - (Proceedings of the Steklov Institute of Mathematics ;  (1975))
SN  - 0821830384
AV  - QA321 A67 1977
PY  - 1977///
CY  - Providence, Rhode Island : 
PB  - American Mathematical Society, 
KW  - Lemb
KW  - Analisis funcional
KW  - Congresos, conferencias, etc
ER  -