@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/