@article{KUMEM_1995_3_2_a8, author = {B. A. Rozenfel'd and T. A. Burtseva}, title = {{\CYRP}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrl}{\cyri}{\cyrp}{\cyrsh}{\cyri}{\cyrc}{\cyri}{\cyra}{\cyrn} {\cyrk}~{\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyri} {\cyro}{\cyrs}{\cyro}{\cyrb}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrery}{\cyrh} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp} {{\CYRL}{\cyri}} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyra}~$E$}, journal = {In memoriam N. I. Lobatschevskii}, pages = {67--78}, year = {1995}, volume = {3}, number = {2}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUMEM_1995_3_2_a8/} }