%0 Journal Article %A Helmut Länger %T An elementary proof of the convergence of iterated exponentials. %J Elemente der Mathematik %D 1996 %P 75-77 %V 51 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELMA_1996__51_3_141592/ %F ELMA_1996__51_3_141592