BHATT, Shubhankar; SENDOV, Hristo. Stronger Grace’s theorem for complex polynomials using polar convexity. Mathematica Scandinavica, Berkeley, CA, United States, v. 132, n. 2, p. 229–250, 2026. DOI: 10.2140/mscand.2026.132.229. Disponível em: https://journals.msp.org/mscand/article/view/2976. Acesso em: 17 oct. 2026.