QINGTANG, J.; LIZHONG, P. Wavelet Transform and Toeplitz-Hankel Type Operators. Mathematica Scandinavica, Berkeley, CA, United States, v. 70, p. 247–264, 1992. DOI: 10.7146/math.scand.a-12400. Disponível em: https://journals.msp.org/mscand/article/view/1248. Acesso em: 24 jul. 2026.