@article{PIM_1974_N_S_17_31_a5,
     author = {Ljubomir B. \'Ciri\'c},
     title = {On some maps with a nonunique fixed point },
     journal = {Publications de l'Institut Math\'ematique},
     pages = {52 },
     publisher = {mathdoc},
     volume = {_N_S_17},
     number = {31},
     year = {1974},
     url = {http://geodesic.mathdoc.fr/item/PIM_1974_N_S_17_31_a5/}
}