RUSS, Emmanuel. Riesz transforms on graphs for $1 \leq p \leq 2$. Mathematica Scandinavica, Berkeley, CA, United States, v. 87, n. 1, p. 133–160, 2000. DOI: 10.7146/math.scand.a-14303. Disponível em: https://journals.msp.org/mscand/article/view/902. Acesso em: 24 jul. 2026.