@article{702387,
title = {Linear perturbations of differential systems with constant matrices},
booktitle = {Equadiff 7},
series = {GDML\_Books},
publisher = {BSB B.G. Teubner Verlagsgesellschaft},
address = {Leipzig},
year = {1990},
pages = {123-126},
zbl = {0723.34035},
url = {http://dml.mathdoc.fr/item/702387}
}
Šimša, J. Linear perturbations of differential systems with constant matrices, dans Equadiff 7, GDML_Books, (1990), pp. 123-126. http://gdmltest.u-ga.fr/item/702387/