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@article{CMH_1963__38_139273, author = {Yoshie Katsurada}, title = {On a {Certain} {Property} of {Closed} {Hypersurfaces} in an {EINSTEIN} {Space.}}, journal = {Commentarii mathematici Helvetici}, pages = {165--171}, publisher = {mathdoc}, volume = {38}, year = {1963}, zbl = {0198.54102}, url = {http://geodesic.mathdoc.fr/item/CMH_1963__38_139273/} }
Yoshie Katsurada. On a Certain Property of Closed Hypersurfaces in an EINSTEIN Space.. Commentarii mathematici Helvetici, Tome 38 (1963), pp. 165-171. http://geodesic.mathdoc.fr/item/CMH_1963__38_139273/