@article{10_4064_ap_59_1_1_31,
     author = {Ewa Dudek and Konstanty Holly},
     title = {Nonlinear orthogonal projection},
     journal = {Annales Polonici Mathematici},
     pages = {1--31},
     publisher = {mathdoc},
     volume = {59},
     number = {1},
     year = {1994},
     doi = {10.4064/ap-59-1-1-31},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-59-1-1-31/}
}