KHIMSHIASHVILI, G. .; PANINA, G. .; SIERSMA, D. . Area-perimeter duality in polygon spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 127, n. 2, p. 252–263, 2021. DOI: 10.7146/math.scand.a-126041. Disponível em: https://www.mscand.dk/article/view/126041. Acesso em: 19 sep. 2021.