FJELDSTAD, J. E. A generalization of Dixon’s formula. MATHEMATICA SCANDINAVICA, [S. l.], v. 2, p. 46–48, 1954. DOI: 10.7146/math.scand.a-10393. Disponível em: https://www.mscand.dk/article/view/10393. Acesso em: 4 may. 2024.