TY - JOUR AU - Mach, Thomas AU - Pranić, Miroslav S. AU - Vandebril, Raf TI - Computing approximate (block) rational Krylov subspaces without explicit inversion with extensions to symmetric matrices JO - Electronic transactions on numerical analysis PY - 2015 VL - 43 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2015__43__a5/ LA - en ID - ETNA_2015__43__a5 ER -