@article{VSGTU_1998_6_a2,
     author = {A. A. Yudashkin},
     title = {{\CYRI}{\cyrn}{\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyrn}{\cyrery}{\cyrishrt} {\cyrp}{\cyro}{\cyrd}{\cyrh}{\cyro}{\cyrd} {\cyrk}~{\cyrp}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyryu} {\cyrs}{\cyrt}{\cyrr}{\cyru}{\cyrk}{\cyrt}{\cyru}{\cyrr} {\cyrs}~{\cyrp}{\cyra}{\cyrm}{\cyrya}{\cyrt}{\cyrsftsn}{\cyryu} {\cyrv}~{\cyrd}{\cyrv}{\cyru}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyro}{\cyrm} {\cyre}{\cyrv}{\cyrk}{\cyrl}{\cyri}{\cyrd}{\cyro}{\cyrv}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {14--22},
     publisher = {mathdoc},
     number = {6},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_1998_6_a2/}
}