@article{MM_1994_6_4_a5, author = {I. V. Fryazinov}, title = {The approximation {2D~elliptic} and parabolic equations on the pair connected irregular grids}, journal = {Matemati\v{c}eskoe modelirovanie}, pages = {53--64}, publisher = {mathdoc}, volume = {6}, number = {4}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MM_1994_6_4_a5/} }