Voir la notice de l'article provenant de la source Math-Net.Ru
@article{INTA_1971_a3, author = {V. V. Ryzhkov}, title = {{\CYRD}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyra}{\cyrya} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrya} {\cyrt}{\cyro}{\cyrch}{\cyre}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyro}{\cyro}{\cyrt}{\cyrv}{\cyre}{\cyrt}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyrishrt} {\cyrm}{\cyre}{\cyrzh}{\cyrd}{\cyru} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrm}{\cyri}}, journal = {Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya }, pages = {153--174}, publisher = {mathdoc}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/INTA_1971_a3/} }
V. V. Ryzhkov. Дифференциальная геометрия точечных соответствий между пространствами. Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya (1971), pp. 153-174. http://geodesic.mathdoc.fr/item/INTA_1971_a3/