@article{10_21136_CPM_1965_108758,
     author = {Vrko\v{c}, Ivo},
     title = {On certain properties of a system of linear differential equations},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {311--322},
     publisher = {mathdoc},
     volume = {090},
     number = {3},
     year = {1965},
     doi = {10.21136/CPM.1965.108758},
     mrnumber = {0188528},
     zbl = {0139.03903},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.108758/}
}