@article{MASLO_1960_10_3_a1,
     author = {Fiedler, Miroslav and Pt\'ak, Vlastimil},
     title = {Some {Inequalities} for the {Spectrum} of a {Matrix}},
     journal = {Mathematica slovaca},
     pages = {148--166},
     year = {1960},
     volume = {10},
     number = {3},
     mrnumber = {0124334},
     zbl = {0102.01601},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1960_10_3_a1/}
}