@article{NSJOM_1986_16_1a_5,
     author = {Xie Ping Ding},
     title = {Common fixed points for 

 nonexpansive type mappings in convex and probabilistic convex metric spaces},
     journal = {Novi Sad Journal of Mathematics},
     pages = {73-84},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1986},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1986_16_1a_5/}
}