%0 Journal Article %A R. Hampel %T The length of the shortest period of rests of numbers $n^n$ %J Annales Polonici Mathematici %D 1955 %P 360-366 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-1-2-360-366/ %R 10.4064/ap-1-2-360-366 %G en %F 10_4064_ap_1_2_360_366