CARDINALI , Tiziana; GENTILI , Serena. An existence theorem for a non-autonomous second order nonlocal multivalued problem. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 62, n. 1, p. 101–117, 2017. DOI: 10.24193/subbmath.2017.0008. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1703. Acesso em: 5 feb. 2025.