%0 Journal Article %A Jørgen Bang-Jensen %A Thomas Bellitto %A Thomas Schweser %A Michael Stiebitz %T Hajós and Ore constructions for digraphs %J The electronic journal of combinatorics %D 2020 %V 27 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/8942/ %R 10.37236/8942 %F 10_37236_8942