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@article{ELMA_1996__51_3_141592, author = {Helmut L\"anger}, title = {An elementary proof of the convergence of iterated exponentials.}, journal = {Elemente der Mathematik}, pages = {75--77}, publisher = {mathdoc}, volume = {51}, number = {3}, year = {1996}, zbl = {0865.26005}, url = {http://geodesic.mathdoc.fr/item/ELMA_1996__51_3_141592/} }
Helmut Länger. An elementary proof of the convergence of iterated exponentials.. Elemente der Mathematik, Tome 51 (1996) no. 3, pp. 75-77. http://geodesic.mathdoc.fr/item/ELMA_1996__51_3_141592/