@article{05312545, title = {Some similarity between contractions and Kannan mappings.}, journal = {Fixed Point Theory and Applications [electronic only]}, volume = {2008}, year = {2008}, doi = {10.1155/2008/649749}, zbl = {1162.54019}, language = {en}, url = {http://dml.mathdoc.fr/item/05312545} }
Kikkawa, Misako; Suzuki, Tomonari. Some similarity between contractions and Kannan mappings.. Fixed Point Theory and Applications [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/649749. http://gdmltest.u-ga.fr/item/05312545/