On Banach's fixed point theorem and formal balls.
Valero, Oscar
APPS. Applied Sciences, Tome 10 (2008), p. 256-258 / Harvested from The Electronic Library of Mathematics
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Publié le : 2008-01-01
EUDML-ID : urn:eudml:doc:224720 
@article{05490696,
     title = {On Banach's fixed point theorem and formal balls.},
     journal = {APPS. Applied Sciences},
     volume = {10},
     year = {2008},
     pages = {256-258},
     zbl = {1158.06300},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05490696}
}

Valero, Oscar. On Banach's fixed point theorem and formal balls.. APPS. Applied Sciences, Tome 10 (2008) pp. 256-258. http://gdmltest.u-ga.fr/item/05490696/