GRITSANS, A.; SADYRBAEV, F. Characteristic numbers of non‐autonomous emden‐fowler type equations. Mathematical Modelling and Analysis, [S. l.], v. 11, n. 3, p. 243–252, 2006. DOI: 10.3846/13926292.2006.9637316. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9616. Acesso em: 1 jul. 2025.