@article{PIM_1980_N_S_27_41_a4,
     author = {Ljubomir \'Ciri\'c},
     title = {A {Note} {On} {Fixed} {Point} {Mappings} {With} {Contracting} {Orbital} {Diameters}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {31 },
     publisher = {mathdoc},
     volume = {_N_S_27},
     number = {41},
     year = {1980},
     url = {http://geodesic.mathdoc.fr/item/PIM_1980_N_S_27_41_a4/}
}