@article{NSJOM_1992_22_1a_3,
     author = {Ping Ding Xie},
     title = {Random contractor 

 directions and solution for a system of set {\textendash} valued random operator 

 equations with stochastic domain},
     journal = {Novi Sad Journal of Mathematics},
     pages = {31-58},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1992},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1992_22_1a_3/}
}