%0 Journal Article %A Adachi, Toshiaki %A Maeda, Sadahiro %T Characterization of totally umbilic hypersurfaces in a space form by circles %J Czechoslovak Mathematical Journal %D 2005 %P 203-207 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2005__55_1_a14/ %G en %F CMJ_2005__55_1_a14