KAMONT, Z. Finite-difference approximation of first-order partial differential-functional equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 8, p. 985–996, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5651. Acesso em: 5 dec. 2025.