%0 Journal Article %A Jürgen Tappe %T Irreducible Projective Representations of Finite Groups. %J Manuscripta mathematica %D 1977 %P 33-46 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1977__22_154479/ %F MM2_1977__22_154479