%0 Journal Article %A Hoffman, Peter %T Projective and Multigraded Representations of Monomial and Multisigned Groups I. Graded Representations of a Twisted Product %J Canadian journal of mathematics %D 1993 %P 295-339 %V 45 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-015-8/ %R 10.4153/CJM-1993-015-8 %F 10_4153_CJM_1993_015_8