@article{DAN_1996_347_4_a5,
     author = {Yu. V. Gulyaev and V. F. Kravchenko and V. L. Rvachev and N. D. Sizova},
     title = {Combination of the $R$-function and the finite difference methods},
     journal = {Doklady Akademii Nauk},
     pages = {454--457},
     publisher = {mathdoc},
     volume = {347},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_347_4_a5/}
}