@article{10_4064_ap_48_2_207_216,
     author = {{\CYRP}. {\CYRS}. {\CYRS}. {\CYRS}{\cyri}{\cyrm}{\cyre}{\cyro}{\cyrn}{\cyro}{\cyrv} and {\CYRD}. {\CYRD}. {\CYRB}{\cyra}{\cyrishrt}{\cyrn}{\cyro}{\cyrv}},
     title = {{\CYRI}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyri} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrn}{\cyre}{\cyrr}{\cyra}{\cyrv}{\cyre}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrd}{\cyrl}{\cyrya} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyra} {\cyrk}{\cyru}{\cyrs}{\cyro}{\cyrch}{\cyrn}{\cyro}-{\cyrn}{\cyre}{\cyrp}{\cyrr}{\cyre}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt}},
     journal = {Annales Polonici Mathematici},
     pages = {207--216},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {1988},
     doi = {10.4064/ap-48-2-207-216},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-48-2-207-216/}
}