@article{MZ_1955__62_169495,
     author = {Lawrence Markus},
     title = {Continuous matrices and the stability of differential systems.},
     journal = {Mathematische Zeitschrift},
     pages = {310--319},
     publisher = {mathdoc},
     volume = {62},
     year = {1955},
     zbl = {0064.33801},
     url = {http://geodesic.mathdoc.fr/item/MZ_1955__62_169495/}
}