@article{CMUC_1990__31_4_a10,
     author = {Marino, Giuseppe and Pietramala, Paolamaria},
     title = {Boundary value problems with nonlinear boundary conditions in {Banach} spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {711--721},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {1990},
     mrnumber = {1091368},
     zbl = {0722.34058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_4_a10/}
}