@article{CMUC_1976_17_2_a15,
     author = {Thompson, R. C.},
     title = {A matrix inequality},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {393--397},
     year = {1976},
     volume = {17},
     number = {2},
     mrnumber = {0419482},
     zbl = {0339.15008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1976_17_2_a15/}
}