Stepanov-like almost automorphic solution to second order fractional impulsive Fredholm-Volterra integro differential equation. Nonlinear Studies, [S. l.], v. 28, n. 3, 2021. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/2642. Acesso em: 17 apr. 2026.