TY  - JOUR
AU  - Géza Freud
TI  - On Direct and Converse Theorems in the Theory of Weighted Poynomial Approximation.
JO  - Mathematische Zeitschrift
PY  - 1972
SP  - 123
EP  - 134
VL  - 126
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1972__126_171727/
ID  - MZ_1972__126_171727
ER  -