Approximate controllability of an impulsive retarded fractional stochastic differential equation with deviated argument and infinite delay. Nonlinear Studies, [S. l.], v. 22, n. 1, 2015. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/1079. Acesso em: 17 sep. 2025.