Sauer, Roman Max Planck Institute for Mathematics, Max Planck Society;
Sauer_spectral_2010.pdf (Any fulltext), 366KB
Sauer, R., & Thom, A. (2010). A spectral sequence to compute L²-Betti numbers of groups and groupoids. Journal of the London Mathematical Society. Second Series, 81(3), 747-773. doi:10.1112/jlms/jdq017.