@article{10_37236_10914,
     author = {Kolja Knauer and Hoang La and Petru Valicov},
     title = {Feedback vertex sets in (directed) graphs of bounded degeneracy or treewidth},
     journal = {The electronic journal of combinatorics},
     year = {2022},
     volume = {29},
     number = {4},
     doi = {10.37236/10914},
     zbl = {1503.05053},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/10914/}
}