@article{GDZPPN001164910, title = {The Index of Primitivity of a Non-Negative Matrix.}, journal = {Numerische Mathematik}, volume = {6}, year = {1964}, pages = {120-141}, zbl = {0121.26303}, url = {http://dml.mathdoc.fr/item/GDZPPN001164910} }
HEAP, B.R.; LYNN, M.S. The Index of Primitivity of a Non-Negative Matrix.. Numerische Mathematik, Tome 6 (1964) pp. 120-141. http://gdmltest.u-ga.fr/item/GDZPPN001164910/