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@article{MS_1967__115_2_a4, author = {{\CYREREV}.{\CYRR}. {\CYRR}{\cyro}{\cyrz}{\cyre}{\cyrn}{\cyrd}{\cyro}{\cyrr}{\cyrn}}, title = {{\CYRV}{\cyrl}{\cyri}{\cyrya}{\cyrn}{\cyri}{\cyre} {\cyrv}{\cyrn}{\cyru}{\cyrt}{\cyrr}{\cyre}{\cyrn}{\cyrn}{\cyre}{\cyrishrt} {\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrk}{\cyri} {\cyrn}{\cyra} {\cyrr}{\cyre}{\cyrg}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyro}{\cyrt}{\cyrr}{\cyri}{\cyrc}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyri}{\cyrz}{\cyrn}{\cyrery}}, journal = {Matemati\v{c}eskij sbornik}, pages = {236--254}, publisher = {mathdoc}, volume = {115}, number = {2}, year = {1967}, zbl = {0154.21201}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1967__115_2_a4/} }
Э.Р. Розендорн. Влияние внутренней метрики на регулярность поверхности отрицательной кривизны. Matematičeskij sbornik, Tome 115 (1967) no. 2, pp. 236-254. http://geodesic.mathdoc.fr/item/MS_1967__115_2_a4/