AURE, Alf Bjorn. The smooth surfaces on cubic hypersurface in $\mathsf{P}^4$ with isolated singularities. Mathematica Scandinavica, Berkeley, CA, United States, v. 67, p. 215–222, 1990. DOI: 10.7146/math.scand.a-12333. Disponível em: https://journals.msp.org/mscand/article/view/1345. Acesso em: 25 jul. 2026.