YERMACHENKO, Inara. Two‐point boundary value problems at resonance. Mathematical Modelling and Analysis, [S. l.], v. 14, n. 2, p. 247–257, 2009. DOI: 10.3846/1392-6292.2009.14.247-257. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/6545. Acesso em: 9 may. 2025.