BARNDORFF-NIELSEN, O. ,. Pedersen, K. Sufficient Data Reduction and Exponential Families. Mathematica Scandinavica, Berkeley, CA, United States, v. 22, p. 197–202, 1968. DOI: 10.7146/math.scand.a-10883. Disponível em: https://journals.msp.org/mscand/article/view/2422. Acesso em: 25 jul. 2026.