%0 Journal Article %A B. ECKMANN %A P.J. HILTON %T Group-Like Structures in General Categories II-Equalizers, Limits, Lengths. %J Mathematische Annalen %D 1963 %P 150-186 %V 151 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1963__151_161075/ %F MAN_1963__151_161075