@article{04026333,
title = {On a question of Ivanov relating to nonlinear quasicontractive mappings.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {42(56)},
year = {1987},
pages = {149-150},
zbl = {0631.54021},
language = {en},
url = {http://dml.mathdoc.fr/item/04026333}
}
Ćirić, Ljubomir B. On a question of Ivanov relating to nonlinear quasicontractive mappings.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 42(56) (1987) pp. 149-150. http://gdmltest.u-ga.fr/item/04026333/