@article{01907234,
title = {The oscillation of linear first order differential systems.},
journal = {APPS. Applied Sciences},
volume = {5},
year = {2003},
pages = {33-39},
zbl = {1047.34028},
language = {en},
url = {http://dml.mathdoc.fr/item/01907234}
}
Hishyar, Abdullah Kh.; Al Dosary, K.T. The oscillation of linear first order differential systems.. APPS. Applied Sciences, Tome 5 (2003) pp. 33-39. http://gdmltest.u-ga.fr/item/01907234/