PEČIULYTĖ, Sigita; ŠTIKONAS, Artūras. On positive eigenfunctions of Sturm‐Liouville problem with nonlocal two‐point boundary condition. Mathematical Modelling and Analysis, [S. l.], v. 12, n. 2, p. 215–226, 2007. DOI: 10.3846/1392-6292.2007.12.215-226. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/7123. Acesso em: 9 may. 2025.