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@article{MAN_1983__262_163703, author = {Yoshihisa Kitagawa and Yoshihiro Ohnita}, title = {On the {Mean} {Curvature} of {R-Spaces.}}, journal = {Mathematische Annalen}, pages = {239--244}, publisher = {mathdoc}, volume = {262}, year = {1983}, zbl = {0488.53042}, url = {http://geodesic.mathdoc.fr/item/MAN_1983__262_163703/} }
Yoshihisa Kitagawa; Yoshihiro Ohnita. On the Mean Curvature of R-Spaces.. Mathematische Annalen, Tome 262 (1983), pp. 239-244. http://geodesic.mathdoc.fr/item/MAN_1983__262_163703/