LERNER, Andrei K.; PÉREZ, Carlos. Self-improving properties of generalized Poincaré type inequalities through rearrangements. Mathematica Scandinavica, Berkeley, CA, United States, v. 97, n. 2, p. 217–234, 2005. DOI: 10.7146/math.scand.a-14973. Disponível em: https://journals.msp.org/mscand/article/view/724. Acesso em: 24 jul. 2026.