@article{bwmeta1.element.bwnjournal-article-aav20i2p189bwm,
author = {Spence, Edward},
title = {Matrix divisors of mI},
journal = {Acta Arithmetica},
volume = {21},
year = {1972},
pages = {189-201},
zbl = {0211.04901},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav20i2p189bwm}
}
Spence, Edward. Matrix divisors of mI. Acta Arithmetica, Tome 21 (1972) pp. 189-201. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav20i2p189bwm/