J. VASUNDHARA DEVI; R.V.G. RAVI KUMAR; N. GIRIBABU. On graph differential equations and its associated matrix differential equations. Malaya Journal of Matematik, India, v. 1, n. 01, p. 1–9, 2013. DOI: 10.26637/mjm101/001. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/334. Acesso em: 16 jul. 2024.