@article{VSGTU_2004_27_a40,
     author = {L. V. Spivak and N. E. Skryabina},
     title = {{\CYRM}{\cyre}{\cyrh}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrn}{\cyre}{\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrv}~{\cyrk}{\cyro}{\cyrn}{\cyrc}{\cyre}{\cyrn}{\cyrt}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyro}-{\cyrn}{\cyre}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrr}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyra}{\cyrh} {\cyrm}{\cyre}{\cyrt}{\cyra}{\cyrl}{\cyrl}-{\cyrv}{\cyro}{\cyrd}{\cyro}{\cyrr}{\cyro}{\cyrd}},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {192--195},
     publisher = {mathdoc},
     number = {27},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2004_27_a40/}
}