CARLESON, Lennart. On infinite differential equations with constant coefficients. I. Mathematica Scandinavica, Berkeley, CA, United States, v. 1, p. 31–38, 1953. DOI: 10.7146/math.scand.a-10362. Disponível em: https://journals.msp.org/mscand/article/view/2962. Acesso em: 25 jul. 2026.