@article{DMDICO_2003_23_1_a2,
     author = {Sadowski, Antoni},
     title = {On the {Picard} problem for hyperbolic differential equations in {Banach} spaces},
     journal = {Discussiones Mathematicae. Differential Inclusions, Control and Optimization},
     pages = {31--37},
     year = {2003},
     volume = {23},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMDICO_2003_23_1_a2/}
}