@article {SC.4.Sundnes.2002,
	title = {Multigrid Block Preconditioning for a Coupled System of Partial Differential Equations Modeling the Electrical Activity in the Heart},
	journal = {Computer Methods in Biomechanics and Biomedical Engineering},
	volume = {5},
	number = {6},
	year = {2002},
	author = {Sundnes, Joakim and Glenn T. {Lines} and Mardal, Kent-Andre and Tveito, Aslak}
}
