@article{10_4064_ap95_2_4,
     author = {A. G. Ramm},
     title = {A {DSM} proof of surjectivity of
 monotone nonlinear mappings},
     journal = {Annales Polonici Mathematici},
     pages = {135--139},
     publisher = {mathdoc},
     volume = {95},
     number = {2},
     year = {2009},
     doi = {10.4064/ap95-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap95-2-4/}
}