REYES, G. E.; WRAITH, G. C. A note on tangent bundles in a category with a ring object. MATHEMATICA SCANDINAVICA, [S. l.], v. 42, p. 53–63, 1978. DOI: 10.7146/math.scand.a-11736. Disponível em: https://www.mscand.dk/article/view/11736. Acesso em: 4 may. 2024.