@article{1183497454,
author = {Clarkson, J. M.},
title = {An involutorial line transformation},
journal = {Bull. Amer. Math. Soc.},
volume = {40},
number = {12},
year = {1934},
pages = { 421-424},
language = {en},
url = {http://dml.mathdoc.fr/item/1183497454}
}
Clarkson, J. M. An involutorial line transformation. Bull. Amer. Math. Soc., Tome 40 (1934) no. 12, pp. 421-424. http://gdmltest.u-ga.fr/item/1183497454/