@article{NUMA_1983__41_132836,
     author = {A. Hilali},
     title = {Reductibilite d'un systeme differentiel lineaire {(Reductibility} of a {Linear} {Differential} {System)}},
     journal = {Numerische Mathematik},
     pages = {1--18},
     year = {1983},
     volume = {41},
     zbl = {0529.34038},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1983__41_132836/}
}