1.
Albertin D, Pilaud V, Ritter J. Removahedral Congruences versus Permutree Congruences. Electron. J. Combin. [Internet]. 2021Oct.22 [cited 2026Mar.17];28(4):P4.8. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i4p8