You could try one or all of these (same authors):

- <cite authors="Edidin, Dan; Graham, William">_Edidin, Dan; Graham, William_, [**Algebraic cycles and completions of equivariant $K$-theory**](https://doi.org/10.1215/00127094-2008-042), Duke Math. J. 144, No. 3, 489-524 (2008). [Zbl&nbsp;1148.14007](https://zbmath.org/1148.14007).</cite> 

- <cite authors="Edidin, Dan; Graham, William">_Edidin, Dan; Graham, William_, [**Riemann-Roch for equivariant Chow groups**](https://doi.org/10.1215/S0012-7094-00-10239-6), Duke Math. J. 102, No. 3, 567-594 (2000). [Zbl&nbsp;0997.14002](https://zbmath.org/0997.14002).</cite>

- <cite authors="Edidin, Dan; Graham, William">_Edidin, Dan; Graham, William_, [**Equivariant intersection theory**](https://doi.org/10.1007/s002220050214), Invent. Math. 131, No. 3, 595-644 (1998). [Zbl&nbsp;0940.14003](https://zbmath.org/0940.14003).</cite>