TY - JOUR AU - Chen, Ke TI - Discrete wavelet transforms accelerated sparse preconditioners for dense boundary element systems JO - Electronic transactions on numerical analysis PY - 1999 SP - 138 EP - 153 VL - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_1999__8__a1/ LA - en ID - ETNA_1999__8__a1 ER -