%0 Journal Article %A Lars Hesselholt %T A Homotopy Theoretical Derivation of Q Map (K, -). %J Mathematica Scandinavica %D 1992 %P 193-203 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1992__70_1_167197/ %F MS2_1992__70_1_167197