@article{NUMA_1964__6_131603,
     author = {J.E. GUNN},
     title = {The {Numerical} {Solution} of  {V} {\^A?} a {Vu=f}  by a {Semi-Explicit} {Alternating-Direction} {Iterative} {Technique.}},
     journal = {Numerische Mathematik},
     pages = {181--184},
     publisher = {mathdoc},
     volume = {6},
     year = {1964},
     zbl = {0131.14902},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1964__6_131603/}
}