@article{CMUC_1987__28_3_a2,
     author = {Rzepecki, Bogdan},
     title = {Existence of solutions of the {Darboux} problem for partial differential equations in {Banach} spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {421--426},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1987},
     mrnumber = {912570},
     zbl = {0638.35058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1987__28_3_a2/}
}