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@article{INTA_1965_a2, author = {M. A. Akivis}, title = {Conformal differential geometry}, journal = {Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya }, pages = {108--137}, publisher = {mathdoc}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/INTA_1965_a2/} }
M. A. Akivis. Conformal differential geometry. Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya (1965), pp. 108-137. http://geodesic.mathdoc.fr/item/INTA_1965_a2/