@article{10_4064_am_26_3_333_346,
     author = {J\'anos Kar\'atson},
     title = {Gradient method for non-injective operators in {Hilbert} space with application to {Neumann} problems},
     journal = {Applicationes Mathematicae},
     pages = {333--346},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1999},
     doi = {10.4064/am-26-3-333-346},
     zbl = {1002.46046},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-26-3-333-346/}
}