@article{MZM_2022_112_2_a10,
     author = {Zhiyong Liu and Qiuyan Xu},
     title = {The {Reproducing} {Kernel} {Viewpoints} of {General} {Ritz--Galerkin} {Approximation}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {279--290},
     publisher = {mathdoc},
     volume = {112},
     number = {2},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2022_112_2_a10/}
}