TY  - JOUR
AU  - N. Babačev
TI  - Common fixed point theorem for four mappings defined on
 Menger PM-spaces with nonlinear contractive type condition
JO  - Novi Sad Journal of Mathematics
PY  - 2013
SP  - 39
EP  - 49
VL  - 43
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_2013_43_2a_3/
ID  - NSJOM_2013_43_2a_3
ER  -