%0 Journal Article
%A Lorenz, Dirk A.
%A Maass, Peter
%A Muoi, Pham Q.
%T Gradient descent for Tikhonov functionals with sparsity constraints: theory and numerical comparison of step size rules
%J Electronic transactions on numerical analysis
%D 2012
%P 437-463
%V 39
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ETNA_2012__39__a1/
%G en
%F ETNA_2012__39__a1