@article{1028989866,
author = {Leisenring, Kenneth B.},
title = {A theorem in projective $n$-space equivalent to commutativity.},
journal = {Michigan Math. J.},
volume = {2},
number = {1},
year = {1953},
pages = { 35-40},
language = {en},
url = {http://dml.mathdoc.fr/item/1028989866}
}
Leisenring, Kenneth B. A theorem in projective $n$-space equivalent to commutativity.. Michigan Math. J., Tome 2 (1953) no. 1, pp. 35-40. http://gdmltest.u-ga.fr/item/1028989866/