POLETAEVA, E. Penrose’s tensors on supergrassmannians. Mathematica Scandinavica, Berkeley, CA, United States, v. 72, p. 161–190, 1993. DOI: 10.7146/math.scand.a-12443. Disponível em: https://journals.msp.org/mscand/article/view/1186. Acesso em: 24 jul. 2026.