Braunfeld S. The Lattice of Definable Equivalence Relations in Homogeneous $n$-Dimensional Permutation Structures. Electron. J. Combin. [Internet]. 2016Dec.23 [cited 2026Mar.29];23(4):P4.44. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v23i4p44