RUBINSZTEIN, Ryszard L. On Some Deformations of Riemann Surfaces. I. Mathematica Scandinavica, Berkeley, CA, United States, v. 86, n. 2, p. 179–205, 2000. DOI: 10.7146/math.scand.a-14288. Disponível em: https://journals.msp.org/mscand/article/view/917. Acesso em: 25 jul. 2026.