@article{03599156,
title = {A fixed point theorem for a nonlinear type contraction.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {1},
year = {1978},
pages = {57-62},
doi = {10.1155/S0161171278000071},
zbl = {0385.54029},
language = {en},
url = {http://dml.mathdoc.fr/item/03599156}
}
Husain, S.A.; Sehgal, V.M. A fixed point theorem for a nonlinear type contraction.. International Journal of Mathematics and Mathematical Sciences, Tome 1 (1978) pp. 57-62. doi : 10.1155/S0161171278000071. http://gdmltest.u-ga.fr/item/03599156/