@article{04196931,
title = {A common fixed point theorem of weakly commuting mappings.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {47(61)},
year = {1990},
pages = {132-136},
zbl = {0725.54034},
language = {en},
url = {http://dml.mathdoc.fr/item/04196931}
}
Popa, Valeriu. A common fixed point theorem of weakly commuting mappings.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 47(61) (1990) pp. 132-136. http://gdmltest.u-ga.fr/item/04196931/