TIGAN, D. Constantinescu, G. EXACT SOLUTIONS TO A FAMILY OF FITZHUGH-HAGUMO TYPE EQUATIONS. Matematichki Bilten, [S. l.], v. 31, n. 1, 2007. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1734. Acesso em: 13 jun. 2026.