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@article{AM2_1985__28_137049, author = {M.A. McKiernan}, title = {Mountain climbing: an alternate proof.}, journal = {Aequationes mathematicae}, pages = {132--134}, publisher = {mathdoc}, volume = {28}, year = {1985}, zbl = {0561.39005}, url = {http://geodesic.mathdoc.fr/item/AM2_1985__28_137049/} }
M.A. McKiernan. Mountain climbing: an alternate proof.. Aequationes mathematicae, Tome 28 (1985), pp. 132-134. http://geodesic.mathdoc.fr/item/AM2_1985__28_137049/