TY - JOUR AU - V. A. Il'in AU - E. I. Moiseev TI - 2-D Nonlocal boundary value problem for Poisson's operator in differential and difference variants JO - Matematičeskoe modelirovanie PY - 1990 SP - 139 EP - 156 VL - 2 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1990_2_8_a13/ LA - ru ID - MM_1990_2_8_a13 ER -