LIONS, J. -l. Sur les espaces d’interpolation; dualité. Mathematica Scandinavica, Berkeley, CA, United States, v. 9, p. 147–177, 1961. DOI: 10.7146/math.scand.a-10632. Disponível em: https://journals.msp.org/mscand/article/view/2708. Acesso em: 25 jul. 2026.