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@article{MS_1970__124_2_a8, author = {{\CYRA}.{\CYRS}. {\CYRV}{\cyri}{\cyrn}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrd}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}}, title = {{\CYRG}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrs} {\cyrm}{\cyre}{\cyrd}{\cyrl}{\cyre}{\cyrn}{\cyrn}{\cyro} {\cyrm}{\cyre}{\cyrn}{\cyrya}{\cyryu}{\cyrshch}{\cyre}{\cyrishrt}{\cyrs}{\cyrya} {\cyro}{\cyrt}{\cyrr}{\cyri}{\cyrc}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyri}{\cyrz}{\cyrn}{\cyro}{\cyrishrt}}, journal = {Matemati\v{c}eskij sbornik}, pages = {285--299}, publisher = {mathdoc}, volume = {124}, number = {2}, year = {1970}, zbl = {0195.23001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1970__124_2_a8/} }
А.С. Виноградский. Граничные свойства поверхностей с медленно меняющейся отрицательной кривизной. Matematičeskij sbornik, Tome 124 (1970) no. 2, pp. 285-299. http://geodesic.mathdoc.fr/item/MS_1970__124_2_a8/