@article{GDZPPN002028093,
title = {Fixed Point and Contraction Theorems in Metric Spaces.},
journal = {Aequationes mathematicae},
volume = {10},
year = {1974},
pages = {138-142},
zbl = {0292.54035},
url = {http://dml.mathdoc.fr/item/GDZPPN002028093}
}
Zamfirescu, Tudor. Fixed Point and Contraction Theorems in Metric Spaces.. Aequationes mathematicae, Tome 10 (1974) pp. 138-142. http://gdmltest.u-ga.fr/item/GDZPPN002028093/