@article{DBLP:journals/tocl/FichteS15,
  author = {Fichte, Johannes Klaus and Szeider, Stefan},
  title = {Backdoors to Normality for Disjunctive Logic Programs},
  journal = {{ACM} Trans. Comput. Log.},
  volume = {17},
  number = {1},
  pages = {7:1--7:23},
  year = {2015}
}