TY - JOUR AU - Baur, Ulrike AU - Benner, Peter TI - Cross-Gramian based model reduction for data-sparse systems JO - Electronic transactions on numerical analysis PY - 2008 SP - 256 EP - 270 VL - 31 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2008__31__a7/ LA - en ID - ETNA_2008__31__a7 ER -