ŠTIKONAS, Artūras. Asymptotic analysis of Sturm-Liouville problem with Robin and two-point boundary conditions. Lietuvos matematikos rinkinys, [S. l.], v. 63, n. A, p. 9–18, 2022. DOI: 10.15388/LMR.2022.29692. Disponível em: https://www.zurnalai.vu.lt/LMR/article/view/29692. Acesso em: 7 nov. 2025.