Wagner, U. (2022). High-dimensional expanders (after Gromov, Kaufman, Kazhdan, Lubotzky, and others). Bulletin de La Societe Mathematique de France. Societe Mathematique de France.https://doi.org/10.24033/ast.1188 
LibreCat: https://research-explorer.ista.ac.at/record/14381
DOI: 10.24033/ast.1188