@article{CMUC_1978__19_3_a0,
     author = {Young, N. J.},
     title = {Norms of matrix powers},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {415--430},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {1978},
     mrnumber = {508951},
     zbl = {0392.15003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1978__19_3_a0/}
}