TY  - JOUR
AU  - Greif, Chen
AU  - Schötzau, Dominik
TI  - Preconditioners for saddle point linear systems with highly singular $(1,1)$ blocks
JO  - Electronic transactions on numerical analysis
PY  - 2006
SP  - 114
EP  - 121
VL  - 22
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ETNA_2006__22__a3/
LA  - en
ID  - ETNA_2006__22__a3
ER  -