TY  - JOUR
AU  - Claudia Cottin
TI  - Mixed K-Functionals: A Measure of Smoothness for Blending-type Approximation.
JO  - Mathematische Zeitschrift
PY  - 1990
SP  - 69
EP  - 84
VL  - 204
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1990__204_3_183757/
ID  - MZ_1990__204_3_183757
ER  -