TY  - JOUR
AU  - Ziping Huang
TI  - A Multi-Grid Algorithm for Mixed Problems with Penalty.
JO  - Numerische Mathematik
PY  - 1990
SP  - 227
EP  - 248
VL  - 57
IS  - 6-7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133446/
ID  - NUMA_1990__57_6-7_133446
ER  -