TY - JOUR AU - Knyazev, Andrew V. AU - Neymeyr, Klaus TI - Efficient solution of symmetric eigenvalue problems using multigrid preconditioners in the locally optimal block conjugate gradient method JO - Electronic transactions on numerical analysis PY - 2003 SP - 38 EP - 55 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2003__15__a11/ LA - en ID - ETNA_2003__15__a11 ER -