@article{10_21136_CMJ_1974_101264,
     author = {Wimmer, Harald K.},
     title = {Spektralradius und {Spektralnorm}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {501--502},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {1974},
     doi = {10.21136/CMJ.1974.101264},
     mrnumber = {0347852},
     zbl = {0312.15007},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1974.101264/}
}