TY - JOUR AU - D. Utebaev AU - G. Kh. Utepbergenova AU - M. M. Kazymbetova TI - Difference schemes of the finite element method of increased accuracy for solving nonstationary equations JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2023 SP - 115 EP - 127 VL - 221 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2023_221_a10/ LA - ru ID - INTO_2023_221_a10 ER -