%0 Journal Article %A Ryszard Deszcz %A Stanisław Ewert-Krzemieniewski %A Jerzy Policht %T On totally umbilical submanifolds of conformally birecurrent manifolds %J Colloquium Mathematicum %D 1987 %P 79-96 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-55-1-79-96/ %R 10.4064/cm-55-1-79-96 %G en %F 10_4064_cm_55_1_79_96