SOBCHUK, Valentyn; ZELENSKA, Iryna; LAPTIEV, Oleksandr. Algorithm for solution of systems of singularly perturbed differential equations with adifferential turning point. Bulletin of the Polish Academy of Sciences Technical Sciences, [S. l.], v. 71, n. 3, p. e145682, 2023. DOI: 10.24425/bpasts.2023.145682. Disponível em: https://wydawnictwo.pan.pl/index.php/bpasts/article/view/3712. Acesso em: 10 sep. 2026.