@article{1077490478,
author = {Kasner, Edward},
title = {Characterization of the conformal group and the equi-long group by horn angles},
journal = {Duke Math. J.},
volume = {4},
number = {1},
year = {1938},
pages = { 95-106},
language = {en},
url = {http://dml.mathdoc.fr/item/1077490478}
}
Kasner, Edward. Characterization of the conformal group and the equi-long group by horn angles. Duke Math. J., Tome 4 (1938) no. 1, pp. 95-106. http://gdmltest.u-ga.fr/item/1077490478/