%0 Journal Article %A Doman, Ryszard %T Moore G-Spaces Which are not Co-Hopf G-Spaces %J Canadian mathematical bulletin %D 1989 %P 365-368 %V 32 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-053-9/ %R 10.4153/CMB-1989-053-9 %F 10_4153_CMB_1989_053_9