1.
Gioan E, Las Vergnas M. The Active Bijection between Regions and Simplices in Supersolvable Arrangements of Hyperplanes. Electron. J. Combin. [Internet]. 2006Apr.18 [cited 2026Mar.28];11(2):R30. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v11i2r30