HEIBIG, Arnaud; PALADE, Liviu Iulian Iulian. On the existence of solutions to the fractional derivative equations d(alpha)u/dt(alpha)+Au = f, of relevance to diffusion in complex systems. Nonlinear Analysis: Modelling and Control, [S. l.], v. 17, n. 2, p. 153–168, 2012. DOI: 10.15388/NA.17.2.14065. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/14065.. Acesso em: 5 may. 2024.