BAPURAO C. DHAGE; NAMDEV S. JADHAV; SIDHARTH D. SARKATE. Differential Inequalities and Comparison Principles for Linearly Perturbed Differential Equations of First Type. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 4, p. 133–141, 2018. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/335. Acesso em: 22 jul. 2024.