TY  - BOOK
AU  - Butzer, P L, ed
TI  - Linear spaces and approximation: proceeding of the conference held at the oberwolfach mathematical reserach institute, black forest August 20-27, 1977
U1  - 515.624 B985L 
PY  - 1978///
CY  - Oberwolfach
PB  - Brikhauser Verlag Basel
ER  -