%0 Journal Article %A K. W. Roggenkamp %T Relation modules of finite groups and related topics %J Algebra i logika %D 1973 %P 351-359 %V 12 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1973_12_3_a8/ %G en %F AL_1973_12_3_a8