@article{PA_1999_6_a4,
     author = {M. M. Kruchek},
     title = {{\CYRO} {\cyrs}{\cyro}{\cyrs}{\cyrt}{\cyro}{\cyrya}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} $\widehat{M}$-{\cyro}{\cyrc}{\cyre}{\cyrn}{\cyro}{\cyrk}},
     journal = {Problemy analiza},
     pages = {41--45},
     publisher = {mathdoc},
     number = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PA_1999_6_a4/}
}