ADLANDSVIK, Bjorn. Joins and higher secant varieties. Mathematica Scandinavica, Berkeley, CA, United States, v. 61, p. 213–222, 1987. DOI: 10.7146/math.scand.a-12200. Disponível em: https://journals.msp.org/mscand/article/view/1470. Acesso em: 25 jul. 2026.