1. |
I. A. Sultanova, “Effective estimation of the error of the network method of solution of boundary value problems for the Laplace and Poisson equations on a rectangle and on special triangles”, Zh. Vychisl. Mat. Mat. Fiz., 11:5 (1971), 1205–1218 ; U.S.S.R. Comput. Math. Math. Phys., 11:5 (1971), 137–152 |