@article{PIM_1980_N_S_27_41_a7,
     author = {R. Daci\'c},
     title = {Fixed {Points} {Of} {Monotone} {Multifunctions} {In} {Partially} {Ordered} {Sets} },
     journal = {Publications de l'Institut Math\'ematique},
     pages = {41 },
     publisher = {mathdoc},
     volume = {_N_S_27},
     number = {41},
     year = {1980},
     url = {http://geodesic.mathdoc.fr/item/PIM_1980_N_S_27_41_a7/}
}