@article{10_4153_CMB_1962_023_2,
     author = {Dulmage, A. L. and Mendelsohn, N. S.},
     title = {The {Exponent} of a {Primitive} {Matrix*}},
     journal = {Canadian mathematical bulletin},
     pages = {241--244},
     year = {1962},
     volume = {5},
     number = {3},
     doi = {10.4153/CMB-1962-023-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1962-023-2/}
}