@article{MM_1989_1_5_a10,
     author = {V. A. Korobitsyn},
     title = {Difference operators in curvilinear orthogonal coordinates: {The} case of plane symmetry},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {126--138},
     publisher = {mathdoc},
     volume = {1},
     number = {5},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1989_1_5_a10/}
}