@article{10_4064_cm_11_1_87_90,
     author = {A. Goetz},
     title = {A simple remark on matrices},
     journal = {Colloquium Mathematicum},
     pages = {87--90},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1963},
     doi = {10.4064/cm-11-1-87-90},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-11-1-87-90/}
}