TY  - JOUR
AU  - D. Turkoglu
AU  - I. Altun
AU  - B. Fisher
TI  - Common fixed point theorems for four mappings with

 some weak conditions of commutativity
JO  - Novi Sad Journal of Mathematics
PY  - 2006
SP  - 75
EP  - 86
VL  - 36
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_2006_36_1a_8/
ID  - NSJOM_2006_36_1a_8
ER  -