@article{AM2_1974__11_136451,
     author = {Tudor Zamfirescu},
     title = {Fixed {Point} and {Contraction} {Theorems} in {Metric} {Spaces.}},
     journal = {Aequationes mathematicae},
     pages = {138--142},
     publisher = {mathdoc},
     volume = {11},
     year = {1974},
     zbl = {0292.54035},
     url = {http://geodesic.mathdoc.fr/item/AM2_1974__11_136451/}
}