@article{1183533477, author = {Petryshyn, W. V.}, title = {A new fixed point theorem and its application}, journal = {Bull. Amer. Math. Soc.}, volume = {78}, number = {4}, year = {1972}, pages = { 225-229}, language = {en}, url = {http://dml.mathdoc.fr/item/1183533477} }
Petryshyn, W. V. A new fixed point theorem and its application. Bull. Amer. Math. Soc., Tome 78 (1972) no. 4, pp. 225-229. http://gdmltest.u-ga.fr/item/1183533477/