@article{NUMA_1971__17_132078,
     author = {N.L. SCHRYER},
     title = {Newton's {Method} for {Convex} {Nonlinear} {Elliptic} {Boundary} {Value} {Problems.}},
     journal = {Numerische Mathematik},
     pages = {284--300},
     publisher = {mathdoc},
     volume = {17},
     year = {1971},
     zbl = {0223.65075},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1971__17_132078/}
}