%0 Journal Article
%A Andrzej Dudek
%A Jarosław Grytczuk
%A Andrzej Ruciński
%T Variations on twins in permutations
%J The electronic journal of combinatorics
%D 2021
%V 28
%N 3
%U http://geodesic.mathdoc.fr/articles/10.37236/9734/
%R 10.37236/9734
%F 10_37236_9734