Laurent Bulteau Guillaume Fertin Vincent Jugé Stéphane Vialette Permutation Pattern Matching for Doubly Partially Ordered Patterns. 21:1-21:17 2022 CPM https://doi.org/10.4230/LIPIcs.CPM.2022.21 conf/cpm/2022 db/conf/cpm/cpm2022.html#BulteauFJV22