@Article{,
title = {Hyperbolic geometry: the first 150 years},
journal = {Bulletin of the American Mathematical Society. New Series},
author = {Milnor, John},
year = {1982},
volume = {6},
pages = {9{\textendash}24},
url = {http://www.ams.org/journals/bull/1982-06-01/S0273-0979-1982-14958-8}
}