DJEBBAR SAMIR; BELAIB LEKHMISSI; HADADINE MOHAMED ZINE EDDINE. Perturbation of differential linear system. Malaya Journal of Matematik, India, v. 4, n. 04, p. 519–523, 2016. DOI: 10.26637/mjm404/001. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/566. Acesso em: 5 oct. 2024.