TY  - JOUR
AU  - H.J.C. Barbosa
AU  - Thomas J.R. Hughes
TI  - Boundary Lagrange multipliers in finite element methods: error analysis in natural forms.
JO  - Numerische Mathematik
PY  - 1992
SP  - 1
EP  - 16
VL  - 62
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1992__62_1_133639/
ID  - NUMA_1992__62_1_133639
ER  -