@article{1077469991,
author = {Wiegmann, N. A.},
title = {Trace properties of semigroups of matrices with quaternion
elements},
journal = {Duke Math. J.},
volume = {29},
number = {1},
year = {1962},
pages = { 65-69},
language = {en},
url = {http://dml.mathdoc.fr/item/1077469991}
}
Wiegmann, N. A. Trace properties of semigroups of matrices with quaternion elements. Duke Math. J., Tome 29 (1962) no. 1, pp. 65-69. http://gdmltest.u-ga.fr/item/1077469991/