%0 Journal Article %A J. jr. DOUGLAS %T Alternating direction iteration for mildly nonlinear elliptic difference equations. %J Numerische Mathematik %D 1961 %P 92-98 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1961__3_131478/ %F NUMA_1961__3_131478