Yangari, Miguel. «Existence and Uniqueness of Global Mild Solutions for Nonlocal Cauchy Systems in Banach Spaces.». Revista Politécnica 35, no. 2 (febrero 28, 2015): 149. Accedido agosto 8, 2020. https://revistapolitecnica.epn.edu.ec/ojs2/index.php/revista_politecnica2/article/view/376.