TY  - JOUR
AU  - Hochstenbach, Michiel E.
TI  - Generalizations of harmonic and refined Rayleigh-Ritz
JO  - Electronic transactions on numerical analysis
PY  - 2005
SP  - 235
EP  - 252
VL  - 20
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ETNA_2005__20__a1/
LA  - en
ID  - ETNA_2005__20__a1
ER  -