%0 Journal Article %A Yu. V. Gulyaev %A V. F. Kravchenko %A V. L. Rvachev %A N. D. Sizova %T Combination of the $R$-function and the finite difference methods %J Doklady Akademii Nauk %D 1996 %P 454-457 %V 347 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_347_4_a5/ %G ru %F DAN_1996_347_4_a5