RIPPON, P. J. Some remarks on largest subharmonic minorants. Mathematica Scandinavica, Berkeley, CA, United States, v. 49, p. 128–132, 1981. DOI: 10.7146/math.scand.a-11925. Disponível em: https://journals.msp.org/mscand/article/view/1746. Acesso em: 25 jul. 2026.