TY  - JOUR
AU  - N. Kikuchi
TI  - Convergence of a Penalty-Finite Element Approximation for an Obstacle Problem.
JO  - Numerische Mathematik
PY  - 1981
SP  - 105
EP  - 120
VL  - 37
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1981__37_132720/
ID  - NUMA_1981__37_132720
ER  -