%0 Journal Article %A Janez Ušan %T A COMMENT OF POWER IN n-GROUP %J Mathematica Moravica %D 1999 %P 117 - 126 %V 3 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/MM3_1999_3_1_a18/ %F MM3_1999_3_1_a18