CUNG, The Anh; NGUEN, Van Hung. Asymptotic expansions of solutions of the first initial boundary-value problem for Schrödinger systems in domains with conical points. II. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 12, p. 1640–1659, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3128. Acesso em: 6 dec. 2025.