@article{VSGTU_1998_6_a15,
     author = {G. N. Gutman},
     title = {{\CYRF}{\cyro}{\cyrr}{\cyrm}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrs}{\cyrt}{\cyrr}{\cyru}{\cyrk}{\cyrt}{\cyru}{\cyrr}{\cyrery} {\cyrs}{\cyrv}{\cyrya}{\cyrz}{\cyre}{\cyrishrt} {\cyru}{\cyrz}{\cyrl}{\cyro}{\cyrv} {\cyrp}{\cyrl}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrs}{\cyre}{\cyrt}{\cyrk}{\cyri} {\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrerev}{\cyrl}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyro}{\cyrv}},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {129--131},
     publisher = {mathdoc},
     number = {6},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_1998_6_a15/}
}