%0 Journal Article %A Hiroshi Endo %T On invariant submanifolds in almost cosymplectic manifolds %J Colloquium Mathematicum %D 1989 %P 69-72 %V 57 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-57-1-69-72/ %R 10.4064/cm-57-1-69-72 %G en %F 10_4064_cm_57_1_69_72