@article{CMUC_1984__25_1_a1,
     author = {Szufla, Stanis{\l}aw},
     title = {An existence theorem for the {Urysohn} integral equation in {Banach} spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {19--27},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1984},
     mrnumber = {749113},
     zbl = {0546.45011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1984__25_1_a1/}
}