TY  - JOUR
AU  - P.L. BUTZER
AU  - K. SCHERER
TI  - On the Fundamental Approximation Theorems of D. JACKSON, S. BERNSTEIN and Theorems of M. ZAMANSKY and S. B. STECKIN (Short Communication)
JO  - Aequationes mathematicae
PY  - 1969
SP  - 398
EP  - 398
VL  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1969__2_182353/
ID  - AM2_1969__2_182353
ER  -