ATANASIU, D. Bi-fonctions moment. MATHEMATICA SCANDINAVICA, [S. l.], v. 69, p. 152–160, 1991. DOI: 10.7146/math.scand.a-12373. Disponível em: https://www.mscand.dk/article/view/12373. Acesso em: 3 may. 2024.