@article{GDZPPN002036649,
title = {Global theory of ordinary linear homogeneous differential equations in the real domain -I.},
journal = {Aequationes mathematicae},
volume = {33},
year = {1987},
pages = {123-149},
zbl = {0643.34011},
url = {http://dml.mathdoc.fr/item/GDZPPN002036649}
}
Neuman, Frantisek. Global theory of ordinary linear homogeneous differential equations in the real domain -I.. Aequationes mathematicae, Tome 33 (1987) pp. 123-149. http://gdmltest.u-ga.fr/item/GDZPPN002036649/