TY  - JOUR
AU  - M. Felten
TI  - A modulus of smoothness based on an algebraic addition.
JO  - Aequationes mathematicae
PY  - 1997
SP  - 56
EP  - 73
VL  - 54
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1997__54_3_137694/
ID  - AM2_1997__54_3_137694
ER  -