TY  - BOOK
AU  - Butzer P L Ed.
AU  -  Kahane J P Ed.
AU  -  Szokefalvi-Nagy B Ed.
ED  - CONFERENCE ON THE LINEAR OPERATORS AND APPROXIMATION (1971 : )
TI  - Proceeding on Linear operators and approximations
T2  - International series of numerical mathematics; 20
U1  - B334,1p1,N71, L2 
PY  - 1972///
CY  - Verlag
PB  - Basel Birkhauser        
ER  -