%0 Journal Article %A Yves Felix %A Stephen Halperin %T Loop space homology of spaces of LS category one and two. %J Mathematische Annalen %D 1990 %P 377-386 %V 287 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164692/ %F MAN_1990__287_1_164692