@article{AM2_1987__33_137209,
     author = {Frantisek Neuman},
     title = {Global theory of ordinary linear homogeneous differential equations in the real domain {-I.}},
     journal = {Aequationes mathematicae},
     pages = {123--149},
     publisher = {mathdoc},
     volume = {33},
     year = {1987},
     zbl = {0643.34011},
     url = {http://geodesic.mathdoc.fr/item/AM2_1987__33_137209/}
}