Kapovich, Michael Max Planck Institute for Mathematics, Max Planck Society;
Leeb, Bernhard Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1007/s11232-009-0048-9 (Publisher version)
Kapovich, M., Leeb, B., & Millson, J. J. (2009). Polygons in Buildings and their Refined Side Lengths. Geometric and Functional Analysis, 19(4), 1081-1100. doi:10.1007/s00039-009-0026-2.