1. |
M. E. Dmitrenko, “A variational difference method for solving the third boundary value problem for an elliptic equation in a three-dimensional domain with a smooth boundary”, Zh. Vychisl. Mat. Mat. Fiz., 12:5 (1972), 1220–1233 ; U.S.S.R. Comput. Math. Math. Phys., 12:5 (1972), 170–186 |