PAN, Yibiao. $L^p$-Improving Properties for Some Measures Supported on Curves. Mathematica Scandinavica, Berkeley, CA, United States, v. 78, p. 121–132, 1996. DOI: 10.7146/math.scand.a-12578. Disponível em: https://journals.msp.org/mscand/article/view/1056. Acesso em: 24 jul. 2026.