@article{1153493175,
author = {Kokubu, Masatoshi and Umehara, Masaaki and Yamada, Kotaro},
title = {An elementary proof of Small's formula for null curves in $\mathrm{PSL}(2,C)$ and an analogue for Legendrian curves in $\mathrm{PSL}(2,C)$},
journal = {Osaka J. Math.},
volume = {40},
number = {1},
year = {2003},
pages = { 697-715},
language = {en},
url = {http://dml.mathdoc.fr/item/1153493175}
}
Kokubu, Masatoshi; Umehara, Masaaki; Yamada, Kotaro. An elementary proof of Small's formula for null curves in $\mathrm{PSL}(2,C)$ and an analogue for Legendrian curves in $\mathrm{PSL}(2,C)$. Osaka J. Math., Tome 40 (2003) no. 1, pp. 697-715. http://gdmltest.u-ga.fr/item/1153493175/