TY  - BOOK
AU  - Altomare,F & Campiti,M
ED  - Campiti, M
TI  - Korovkin-type approximation theory & its applications
T2  - De gruyter studies in mathematics 17
SN  - 3-11-014178-7
U1  - 5.08 
PY  - 1994///
CY  - Berlin
PB  - Walter de Gruyter
ER  -