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@article{MS_1957__83_2_a3, author = {{\CYRG}.{\CYRI}. {\CYRK}{\cyrr}{\cyru}{\cyrch}{\cyrk}{\cyro}{\cyrv}{\cyri}{\cyrch}}, title = {{\CYRO} {\cyrd}{\cyrv}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrh} {\cyrv} {\cyrr}{\cyri}{\cyrm}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} $V_4$}, journal = {Matemati\v{c}eskij sbornik}, pages = {195--220}, publisher = {mathdoc}, volume = {83}, number = {2}, year = {1957}, zbl = {0087.37002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1957__83_2_a3/} }
Г.И. Кручкович. О движениях в римановых пространствах $V_4$. Matematičeskij sbornik, Tome 83 (1957) no. 2, pp. 195-220. http://geodesic.mathdoc.fr/item/MS_1957__83_2_a3/