%0 Journal Article %A V. A. Korobitsyn %T Difference operators in curvilinear orthogonal coordinates: The case of plane symmetry %J Matematičeskoe modelirovanie %D 1989 %P 126-138 %V 1 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1989_1_5_a10/ %G ru %F MM_1989_1_5_a10