@article{ZNSL_1982_122_a7,
     author = {N. V. Ivanov},
     title = {{\CYRG}{\cyro}{\cyrm}{\cyro}{\cyrt}{\cyro}{\cyrp}{\cyri}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyri}{\cyrz}{\cyrm}{\cyro}{\cyrv} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrt}{\cyrr}{\cyryo}{\cyrh}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrishrt}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {72--103},
     publisher = {mathdoc},
     volume = {122},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1982_122_a7/}
}