@article{GDZPPN002083590, title = {An elementary proof of the convergence of iterated exponentials.}, journal = {Elemente der Mathematik}, volume = {51}, year = {1996}, pages = {75-77}, zbl = {0865.26005}, url = {http://dml.mathdoc.fr/item/GDZPPN002083590} }
Länger, Helmut. An elementary proof of the convergence of iterated exponentials.. Elemente der Mathematik, Tome 51 (1996) pp. 75-77. http://gdmltest.u-ga.fr/item/GDZPPN002083590/