VALKEILA, E.; VOSTRIKOVA, L. An integral representation for the Hellinger distance. MATHEMATICA SCANDINAVICA, [S. l.], v. 58, p. 239–254, 1986. DOI: 10.7146/math.scand.a-12144. Disponível em: https://www.mscand.dk/article/view/12144. Acesso em: 5 may. 2024.