@article{120469,
author = {Stefan Czerwik},
title = {Contraction mappings in $b$-metric spaces},
journal = {Acta Mathematica et Informatica Universitatis Ostraviensis},
volume = {01},
year = {1993},
pages = {5-11},
zbl = {0849.54036},
mrnumber = {1250922},
language = {en},
url = {http://dml.mathdoc.fr/item/120469}
}
Czerwik, Stefan. Contraction mappings in $b$-metric spaces. Acta Mathematica et Informatica Universitatis Ostraviensis, Tome 01 (1993) pp. 5-11. http://gdmltest.u-ga.fr/item/120469/
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