@article{ALCO_2022__5_4_715_0,
     author = {Iraci, Alessandro and Vanden Wyngaerd, Anna},
     title = {Pushing our way from the valley {Delta} to the generalised valley {Delta}},
     journal = {Algebraic Combinatorics},
     pages = {715--725},
     publisher = {The Combinatorics Consortium},
     volume = {5},
     number = {4},
     year = {2022},
     doi = {10.5802/alco.239},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/alco.239/}
}