%0 Journal Article %A Kolja Knauer %A Hoang La %A Petru Valicov %T Feedback vertex sets in (directed) graphs of bounded degeneracy or treewidth %J The electronic journal of combinatorics %D 2022 %V 29 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/10914/ %R 10.37236/10914 %F 10_37236_10914