SKUČAITĖ, A.; SKUČAITĖ-BINGELĖ, K.; PEČIULYTĖ, S.; ŠTIKONAS, A. Investigation of the spectrum for the Sturm–Liouville problem with one integral boundary condition. Nonlinear Analysis: Modelling and Control, [S. l.], v. 15, n. 4, p. 501–512, 2010. DOI: 10.15388/NA.15.4.14321. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/14321.. Acesso em: 25 jul. 2024.