CONSTANTINESCU, Dana; TIGAN, Gheorghe. EXACT SOLUTIONS TO A FAMILY OF FITZHUGH-HAGUMO TYPE EQUATIONS. Matematichki Bilten, [S. l.], v. 31, n. 1, p. 61–68, 2007. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1734. Acesso em: 14 aug. 2026.