@article{10_21136_AM_1965_102941,
     author = {Babu\v{s}ka, Ivo and Sobolev, Serge\u{i} L.},
     title = {{\CYRO}{\cyrp}{\cyrt}{\cyri}{\cyrm}{\cyri}{\cyrz}{\cyra}{\cyrc}{\cyri}{\cyrya} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyro}{\cyrv}},
     journal = {Applications of Mathematics},
     pages = {96--129},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {1965},
     doi = {10.21136/AM.1965.102941},
     mrnumber = {0191072},
     zbl = {0128.36204},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1965.102941/}
}