@article{GDZPPN002030152,
title = {The matrix equation a(x...y) = a(x) + a(x)a(y) + a(y).},
journal = {Aequationes mathematicae},
volume = {15},
year = {1977},
pages = {213-224},
zbl = {0359.39002},
url = {http://dml.mathdoc.fr/item/GDZPPN002030152}
}
McKiernan, M.A. The matrix equation a(x...y) = a(x) + a(x)a(y) + a(y).. Aequationes mathematicae, Tome 15 (1977) pp. 213-224. http://gdmltest.u-ga.fr/item/GDZPPN002030152/