@article{CMUC_1972__13_4_a1,
     author = {Reinermann, Jochen},
     title = {Fixed point theorems for generalized contractions},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {617--627},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1972},
     mrnumber = {0336470},
     zbl = {0256.47039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1972__13_4_a1/}
}