@article{VCHGU_1991_1_a23,
     author = {S. M. Voronin},
     title = {{\CYRI}{\cyrn}{\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyrery}{\cyre} {\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrk}{\cyro}{\cyrv} {\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrv}{\cyre}{\cyrr}{\cyrs}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro} {\cyrv}{\cyrery}{\cyrr}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrt}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrv} $C^2$},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {145--146},
     publisher = {mathdoc},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_1991_1_a23/}
}