@article{10_4064_ap_31_1_55_63,
     author = {Bart{\l}omiej Ulewicz},
     title = {On fixed points of continuous real functions},
     journal = {Annales Polonici Mathematici},
     pages = {55--63},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1975},
     doi = {10.4064/ap-31-1-55-63},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-31-1-55-63/}
}