%0 Journal Article %A Gerardo-Giorda, Luca %A Mirabella, Lucia %T Spectral analysis of a block-triangular preconditioner for the bidomain system in electrocardiology %J Electronic transactions on numerical analysis %D 2012 %P 186-201 %V 39 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2012__39__a15/ %G en %F ETNA_2012__39__a15