@article{GDZPPN002537362,
title = {A generalization of Banach's contraction principle.},
journal = {Publications de l'Institut Math\'ematique [Elektronische Ressource]},
volume = {38},
year = {1978},
pages = {179-192},
zbl = {0403.54042},
url = {http://dml.mathdoc.fr/item/GDZPPN002537362}
}
Taskovic, Milan R. A generalization of Banach's contraction principle.. Publications de l'Institut Mathématique [Elektronische Ressource], Tome 38 (1978) pp. 179-192. http://gdmltest.u-ga.fr/item/GDZPPN002537362/