%0 Journal Article %A Baues, H. J. %T The double bar and cobar constructions %J Compositio Mathematica %D 1981 %P 331-341 %V 43 %N 3 %I Sijthoff et Noordhoff International Publishers %U http://www.numdam.org/item/CM_1981__43_3_331_0/ %G en %F CM_1981__43_3_331_0