@article{01780277, title = {liminf and limsup contractions.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {395-402}, doi = {10.1155/S0161171201007086}, zbl = {0993.54037}, language = {en}, url = {http://dml.mathdoc.fr/item/01780277} }
Branciari, Alberto. liminf and limsup contractions.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 395-402. doi : 10.1155/S0161171201007086. http://gdmltest.u-ga.fr/item/01780277/