%0 Journal Article %A D. Utebaev %A G. Kh. Utepbergenova %A M. M. Kazymbetova %T Difference schemes of the finite element method of increased accuracy for solving nonstationary equations %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2023 %P 115-127 %V 221 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2023_221_a10/ %G ru %F INTO_2023_221_a10