@article{1183503575,
author = {Cunningham, A. B.},
title = {Non-involutorial space transformations associated with a $Q\_{1,2}$ congruence},
journal = {Bull. Amer. Math. Soc.},
volume = {47},
number = {11},
year = {1941},
pages = { 309-312},
language = {en},
url = {http://dml.mathdoc.fr/item/1183503575}
}
Cunningham, A. B. Non-involutorial space transformations associated with a $Q_{1,2}$ congruence. Bull. Amer. Math. Soc., Tome 47 (1941) no. 11, pp. 309-312. http://gdmltest.u-ga.fr/item/1183503575/