Sevostyanov, Alexey Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1093/imrn/rnq139 (Publisher version)
Sevostyanov, A. (2011). Algebraic group analogues of the Slodowy slices and deformations of Poisson W-algebras. International Mathematics Research Notices, 8, 1880-1925. doi:10.1093/imrn/rnq139.