DONKIN, S. A note on the characters of the projective modules for the infinitesimal subgroups of a semisimple algebraic group. MATHEMATICA SCANDINAVICA, [S. l.], v. 51, p. 142–150, 1982. DOI: 10.7146/math.scand.a-11968. Disponível em: https://www.mscand.dk/article/view/11968. Acesso em: 5 may. 2024.