@article{CMUC_1972__13_3_a6,
     author = {Petry, Walter},
     title = {On the iterative construction of a solution of nonlinear elliptic boundary value problems},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {479--492},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1972},
     mrnumber = {0320520},
     zbl = {0241.35027},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1972__13_3_a6/}
}