TY  - BOOK
AU  - Ciesielski, Zbigniew
AU  - 
TI  - Approximation theory: papers presented at the Stefan Banach International Mathematical Center at the 6th semester held on Sept. 17-Dec. 17, 1975
T2  - Banach Center Publications
U1  - 515.73 
PY  - 1979///
CY  - Warszawa
PB  - Polish Scientific Publishers
ER  -