@article{05028448,
title = {Duan's fixed point theorem: proof and generalization.},
journal = {Fixed Point Theory and Applications [electronic only]},
volume = {2006},
year = {2006},
doi = {10.1155/FPTA/2006/17563},
zbl = {1093.55002},
language = {en},
url = {http://dml.mathdoc.fr/item/05028448}
}
Arkowitz, Martin. Duan's fixed point theorem: proof and generalization.. Fixed Point Theory and Applications [electronic only], Tome 2006 (2006) . doi : 10.1155/FPTA/2006/17563. http://gdmltest.u-ga.fr/item/05028448/