%0 Journal Article %A Zhiyong Liu %A Qiuyan Xu %T The Reproducing Kernel Viewpoints of General Ritz–Galerkin Approximation %J Matematičeskie zametki %D 2022 %P 279-290 %V 112 %N 2 %U http://geodesic.mathdoc.fr/item/MZM_2022_112_2_a10/ %G ru %F MZM_2022_112_2_a10