@article{RSMUP_1975__53__15_0,
author = {Iseki, Kiyoshi},
title = {Multi-valued contraction mappings in complete metric spaces},
journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
volume = {54},
year = {1975},
pages = {15-19},
mrnumber = {410715},
zbl = {0328.54030},
language = {en},
url = {http://dml.mathdoc.fr/item/RSMUP_1975__53__15_0}
}
Iseki, Kiyoshi. Multi-valued contraction mappings in complete metric spaces. Rendiconti del Seminario Matematico della Università di Padova, Tome 54 (1975) pp. 15-19. http://gdmltest.u-ga.fr/item/RSMUP_1975__53__15_0/
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