@article{SVMO_2018_20_4_a6,
     author = {F. V. Lubyshev and M. \`E. Fairuzov},
     title = {Approximation of a mixed boundary value problem},
     journal = {\v{Z}urnal Srednevol\v{z}skogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {429--438},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SVMO_2018_20_4_a6/}
}