@article{ETNA_2008__30__a21,
     author = {Ramlau,  Ronny},
     title = {Regularization properties of {Tikhonov} regularization with sparsity constraints},
     journal = {Electronic transactions on numerical analysis},
     pages = {54--74},
     year = {2008},
     volume = {30},
     zbl = {1171.65042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2008__30__a21/}
}