@article{GDZPPN001169939, title = {On Exponents of Primitive Matrices.}, journal = {Numerische Mathematik}, volume = {18}, year = {1971}, pages = {154-161}, zbl = {0212.05202}, url = {http://dml.mathdoc.fr/item/GDZPPN001169939} }
Lewin, M. On Exponents of Primitive Matrices.. Numerische Mathematik, Tome 18 (1971) pp. 154-161. http://gdmltest.u-ga.fr/item/GDZPPN001169939/