@article{GDZPPN00204109X,
title = {An iff fixed point criterion for continuous self-mappings on a complete metric space.},
journal = {Aequationes mathematicae},
volume = {47},
year = {1994},
pages = {163-170},
zbl = {0805.47051},
url = {http://dml.mathdoc.fr/item/GDZPPN00204109X}
}
Jachymski, J. An iff fixed point criterion for continuous self-mappings on a complete metric space.. Aequationes mathematicae, Tome 47 (1994) pp. 163-170. http://gdmltest.u-ga.fr/item/GDZPPN00204109X/