@article{10_21136_CMJ_1967_100785,
     author = {Schwarz, \v{S}tefan},
     title = {Some estimates in the theory of non-negative matrices},
     journal = {Czechoslovak Mathematical Journal},
     pages = {399--407},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1967},
     doi = {10.21136/CMJ.1967.100785},
     mrnumber = {0217101},
     zbl = {0159.32603},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1967.100785/}
}