Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1948__65_1_a3, author = {{\CYRN}.{\CYRV}. {\CYRE}{\cyrf}{\cyri}{\cyrm}{\cyro}{\cyrv}}, title = {{\CYRI}{\cyrs}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrd}{\cyre}{\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyra}{\cyrc}{\cyri}{\cyrishrt} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}, {\cyrs}{\cyro}{\cyrd}{\cyre}{\cyrr}{\cyrzh}{\cyra}{\cyrshch}{\cyre}{\cyrishrt} {\cyrt}{\cyro}{\cyrch}{\cyrk}{\cyru} {\cyrs} {\cyrn}{\cyru}{\cyrl}{\cyre}{\cyrv}{\cyrery}{\cyrm} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyre}{\cyrm} {\cyrg}{\cyra}{\cyru}{\cyrs}{\cyrs}{\cyro}{\cyrv}{\cyro}{\cyrishrt} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyri}{\cyrz}{\cyrn}{\cyrery}}, journal = {Matemati\v{c}eskij sbornik}, pages = {89--126}, publisher = {mathdoc}, volume = {65}, number = {1}, year = {1948}, zbl = {0031.41203}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1948__65_1_a3/} }
Н.В. Ефимов. Исследование деформаций поверхности, содержащей точку с нулевым значением гауссовой кривизны. Matematičeskij sbornik, Tome 65 (1948) no. 1, pp. 89-126. http://geodesic.mathdoc.fr/item/MS_1948__65_1_a3/