@article{CMUC_1975_16_2_a12,
     author = {Gupta, Chaitan P.},
     title = {Nonlinear equations of {Urysohn's} type in a {Banach} space},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {377--386},
     year = {1975},
     volume = {16},
     number = {2},
     mrnumber = {0500344},
     zbl = {0326.47058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1975_16_2_a12/}
}