@article{bwmeta1.element.bwnjournal-article-fmv50i2p129bwm,
author = {Wanda Szmielew},
title = {A new analytic approach to hyperbolic geometry},
journal = {Fundamenta Mathematicae},
volume = {49},
year = {1961},
pages = {129-158},
zbl = {0100.15701},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv50i2p129bwm}
}
Szmielew, Wanda. A new analytic approach to hyperbolic geometry. Fundamenta Mathematicae, Tome 49 (1961) pp. 129-158. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv50i2p129bwm/