TY  - JOUR
AU  - H. Musielak
TI  - Jackson type inequalities for averaged moduli of smoothness
JO  - Commentationes Mathematicae
PY  - 1987
SP  -  143
EP  - 158
VL  - 27
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v27i1.6195/
DO  - 10.14708/cm.v27i1.6195
LA  - pl
ID  - 10_14708_cm_v27i1_6195
ER  -