1.
Yap KTK, Wehlau D, Zaguia I. Permutations Avoiding Certain Partially-Ordered Patterns. Electron. J. Combin. [Internet]. 2021Jul.16 [cited 2026May28];28(3):#P3.18. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i3p18