TY - JOUR AU - A. A. Klyachin AU - V. A. Klyachin TI - The approximation of the fourth-order partial differential equations in the class of the piecewise polynomial functions on the triangular grid JO - Matematičeskaâ fizika i kompʹûternoe modelirovanie PY - 2019 SP - 65 EP - 72 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VVGUM_2019_22_2_a4/ LA - ru ID - VVGUM_2019_22_2_a4 ER -