TY - JOUR AU - Robert Brignall AU - Jakub Sliačan TI - Combinatorial specifications for juxtapositions of permutation classes JO - The electronic journal of combinatorics PY - 2019 VL - 26 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.37236/8700/ DO - 10.37236/8700 ID - 10_37236_8700 ER -