@article{PIM_1979_N_S_26_40_a16,
     author = {Olga Had\v{z}i\'c},
     title = {A {Fixed} {Point} {Theorem} {In} {Menger} {Spaces}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {107 },
     publisher = {mathdoc},
     volume = {_N_S_26},
     number = {40},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a16/}
}