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@article{MS_1968__117_1_a6, author = {{\CYRA}.{\CYRL}. {\CYRV}{\cyre}{\cyrr}{\cyrn}{\cyre}{\cyrr}}, title = {{\CYRO} {\cyrv}{\cyrn}{\cyre}{\cyrsh}{\cyrn}{\cyre}{\cyrishrt} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt}{\cyrsh}{\cyri}{\cyrh} {\cyrp}{\cyro}{\cyrl}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrn}{\cyre}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrzh}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyri}{\cyrz}{\cyrn}{\cyrery}. {II}}, journal = {Matemati\v{c}eskij sbornik}, pages = {112--139}, publisher = {mathdoc}, volume = {117}, number = {1}, year = {1968}, zbl = {0164.21602}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1968__117_1_a6/} }
А.Л. Вернер. О внешней геометрии простейших полных поверхностей неположительной кривизны. II. Matematičeskij sbornik, Tome 117 (1968) no. 1, pp. 112-139. http://geodesic.mathdoc.fr/item/MS_1968__117_1_a6/