TY  - JOUR
AU  - Sze-Ping Wong
TI  - Preconditioning P1 nonconforming finite elements: condition numbers and singular value distributions.
JO  - Numerische Mathematik
PY  - 1993
SP  - 253
EP  - 272
VL  - 65
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133734/
ID  - NUMA_1993__65_4_133734
ER  -