@article{INTO_2020_174_a1,
     author = {V. B. Vasilev (Vasilyev) and O. A. Tarasova},
     title = {On discrete boundary-value problems and their approximation properties},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {12--19},
     publisher = {mathdoc},
     volume = {174},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2020_174_a1/}
}