MAGYAR, Zoltán. On the analytic vector variant of the Hille-Yosida theorem. Mathematica Scandinavica, Berkeley, CA, United States, v. 65, p. 93–102, 1989. DOI: 10.7146/math.scand.a-12268. Disponível em: https://journals.msp.org/mscand/article/view/1382. Acesso em: 24 jul. 2026.