MAGYAR, Z. On the analytic vector variant of the Hille-Yosida theorem. MATHEMATICA SCANDINAVICA, [S. l.], v. 65, p. 93–102, 1989. DOI: 10.7146/math.scand.a-12268. Disponível em: https://www.mscand.dk/article/view/12268. Acesso em: 14 apr. 2025.