A generalization of Caristi's fixed point theorem.
Ćirić, Ljubomir B.
Mathematica Pannonica, Tome 3 (1992), p. 51-57 / Harvested from The Electronic Library of Mathematics
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Publié le : 1992-01-01
EUDML-ID : urn:eudml:doc:228082 
@article{00219482,
     title = {A generalization of Caristi's fixed point theorem.},
     journal = {Mathematica Pannonica},
     volume = {3},
     year = {1992},
     pages = {51-57},
     zbl = {0781.54026},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00219482}
}

Ćirić, Ljubomir B. A generalization of Caristi's fixed point theorem.. Mathematica Pannonica, Tome 3 (1992) pp. 51-57. http://gdmltest.u-ga.fr/item/00219482/