@article{publication-15349, author={Klatte, Diethard and Kummer, Bernd}, doi={10.1007/s10107-017-1194-8}, issn={0025-5610}, journal={Mathematical Programming: Series B}, number={1-2}, pages={673-716}, publisher={Springer}, title={Approximations and generalized Newton methods}, volume=168, year=2018, }