%0 Journal Article %A Funabashi, S. %A Pak, J. S. %A Shin, Y. J. %T On the normality of an almost contact $3$-structure on $QR$-submanifolds %J Czechoslovak Mathematical Journal %D 2003 %P 571-589 %V 53 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2003__53_3_a6/ %G en %F CMJ_2003__53_3_a6