@article{1102735527, author = {Cramer, W. J. and Ray, William O.}, title = {Solvability of nonlinear operator equations.}, journal = {Pacific J. Math.}, volume = {97}, number = {2}, year = {1981}, pages = { 37-50}, language = {en}, url = {http://dml.mathdoc.fr/item/1102735527} }
Cramer, W. J.; Ray, William O. Solvability of nonlinear operator equations.. Pacific J. Math., Tome 97 (1981) no. 2, pp. 37-50. http://gdmltest.u-ga.fr/item/1102735527/