TY  - JOUR
AU  - Verfürth, Rüdiger
TI  - A note on polynomial approximation in Sobolev spaces
JO  - ESAIM: Mathematical Modelling and Numerical Analysis 
PY  - 1999
SP  - 715
EP  - 719
VL  - 33
IS  - 4
PB  - EDP-Sciences
UR  - http://geodesic.mathdoc.fr/item/M2AN_1999__33_4_715_0/
LA  - en
ID  - M2AN_1999__33_4_715_0
ER  -