SADYRBAEV, Felix. Multiplicity in parameter‐dependent problems for ordinary differential equations. Mathematical Modelling and Analysis, [S. l.], v. 14, n. 4, p. 503–514, 2009. DOI: 10.3846/1392-6292.2009.14.503-514. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/6573. Acesso em: 5 jul. 2025.