@article{NSJOM_1991_21_1a_10,
     author = {Chang Shih-sen},
     title = {Uniform convexity and the 

 fixed point property},
     journal = {Novi Sad Journal of Mathematics},
     pages = {105-115},
     year = {1991},
     volume = {21},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1991_21_1a_10/}
}