@article{NSJOM_1987_17_1a_0,
     author = {Hahn S.},
     title = {Random fixed point theorems for random 

 upper semicontinuous multivalued operators},
     journal = {Novi Sad Journal of Mathematics},
     pages = {1-15},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1987},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1987_17_1a_0/}
}