@article{01804073, title = {On common fixed points.}, journal = {Georgian Mathematical Journal}, volume = {9}, year = {2002}, pages = {325-330}, zbl = {1013.47022}, language = {en}, url = {http://dml.mathdoc.fr/item/01804073} }
Liu, Zeqing; Khan, M.S.; Pathak, H.K. On common fixed points.. Georgian Mathematical Journal, Tome 9 (2002) pp. 325-330. http://gdmltest.u-ga.fr/item/01804073/