@article{GDZPPN002034980,
title = {Mountain climbing: an alternate proof.},
journal = {Aequationes mathematicae},
volume = {28},
year = {1985},
pages = {132-134},
zbl = {0561.39005},
url = {http://dml.mathdoc.fr/item/GDZPPN002034980}
}
McKiernan, M.A. Mountain climbing: an alternate proof.. Aequationes mathematicae, Tome 28 (1985) pp. 132-134. http://gdmltest.u-ga.fr/item/GDZPPN002034980/