1.
Brignall R, Sliačan J. Combinatorial Specifications for Juxtapositions of Permutation Classes. Electron. J. Combin. [Internet]. 2019Oct.11 [cited 2026Mar.17];26(4):P4.4. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i4p4