@article{NUMA_1971__17_132056,
     author = {V. THOMe;E},
     title = {Convergence {Near} {Plane} {Boundaries} of {Some} {Elliptic} {Difference} {Schemes.}},
     journal = {Numerische Mathematik},
     pages = {45--53},
     publisher = {mathdoc},
     volume = {17},
     year = {1971},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1971__17_132056/}
}