TY  - BOOK
AU  - Bultzer R L ed.
ED  - Conference on Abstract Spaces and Approximation( 1968 : Oberwolfach,Black Forest )
ED  - Conference on Abstract Spaces and Approximation
TI  - Abstracts spaces and approximation: proceedings
U1  - 515.7 
PY  - 1969///
CY  - Basel
PB  - Birkhauser
KW  - Approximation theory
KW  - Calculus
ER  -