@article{NUMA_1964__6_131589,
     author = {G. STRANG},
     title = {Accurate {Partial} {Difference} {Methods.} {II.} {Non-Linear} {Problems.}},
     journal = {Numerische Mathematik},
     pages = {37--46},
     publisher = {mathdoc},
     volume = {6},
     year = {1964},
     zbl = {0143.38204},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1964__6_131589/}
}