@article{PIM_1972_N_S_13_27_a1,
     author = {Ljubomir B. \'Ciri\'c},
     title = {Fixed {Point} {Theorems} {For} {Mappings} {With} {A} {Generalized} {Contractive} {Iterate} {At} {A} {Point}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {11 },
     publisher = {mathdoc},
     volume = {_N_S_13},
     number = {27},
     year = {1972},
     url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_13_27_a1/}
}