TY  - JOUR
AU  - Chen, Wei
AU  - Křížek, Michal
TI  - What is the smallest possible constant in Céa's lemma?
JO  - Applications of Mathematics
PY  - 2006
SP  - 129
EP  - 144
VL  - 51
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1007/s10492-006-0009-7/
DO  - 10.1007/s10492-006-0009-7
LA  - en
ID  - 10_1007_s10492_006_0009_7
ER  -