SKJELBRED, Tor. Integral Global Weights for Torus Actions on Projective Spaces. Mathematica Scandinavica, Berkeley, CA, United States, v. 34, p. 249–253, 1974. DOI: 10.7146/math.scand.a-11527. Disponível em: https://journals.msp.org/mscand/article/view/2120. Acesso em: 25 jul. 2026.