@article{ZNSL_1986_149_a8,
     author = {A. A. Borichev},
     title = {{\CYRS}{\cyrv}{\cyre}{\cyrr}{\cyrt}{\cyro}{\cyrch}{\cyrn}{\cyrery}{\cyre} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrv}~{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {\cyrp}{\cyro}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrs}~{\cyrerev}{\cyrk}{\cyrs}{\cyrp}{\cyro}{\cyrn}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrm} {\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyre}{\cyrm} {\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyra}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {107--115},
     publisher = {mathdoc},
     volume = {149},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1986_149_a8/}
}