@article{PIM_1973_N_S_16_30_a20,
     author = {M. R. Taskovi\'c },
     title = {Banach's {Mappings} {And} {Some} {Generalizations}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {169 },
     publisher = {mathdoc},
     volume = {_N_S_16},
     number = {30},
     year = {1973},
     url = {http://geodesic.mathdoc.fr/item/PIM_1973_N_S_16_30_a20/}
}