%0 Journal Article %A Roberts, Paul %T Graded Complexes Over Power Series Rings %J Canadian journal of mathematics %D 1986 %P 158-178 %V 38 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-008-8/ %R 10.4153/CJM-1986-008-8 %F 10_4153_CJM_1986_008_8