%0 Journal Article %A Albert, Michael %A Jelínek, Vít %A Opler, Michal %T Two examples of Wilf-collapse %J Discrete mathematics & theoretical computer science %D 2020-2021 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.5986/ %R 10.46298/dmtcs.5986 %G en %F DMTCS_2021_22_2_a7