%0 Journal Article %A Minoru Kobayashi %T Symmetric twofold CR submanifolds in a Euclidean space $R^{4m}$ %J Colloquium Mathematicum %D 1987 %P 231-240 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-54-2-231-240/ %R 10.4064/cm-54-2-231-240 %G en %F 10_4064_cm_54_2_231_240