@article{Russ_2000, title={Riesz transforms on graphs for $1 \leq p \leq 2$}, volume={87}, url={https://www.mscand.dk/article/view/14303}, DOI={10.7146/math.scand.a-14303}, number={1}, journal={MATHEMATICA SCANDINAVICA}, author={Russ, Emmanuel}, year={2000}, month={Sep.}, pages={133–160} }