@InProceedings{hansen_et_al:DagSemProc.07122.28,
  author =	{Hansen, J\"{o}rg and Pigozzi, Gabriella and van der Torre, Leendert},
  title =	{{Ten Philosophical Problems in Deontic Logic}},
  booktitle =	{Normative Multi-agent Systems},
  pages =	{1--26},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7122},
  editor =	{Guido Boella and Leon van der Torre and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07122.28},
  URN =		{urn:nbn:de:0030-drops-9413},
  doi =		{10.4230/DagSemProc.07122.28},
  annote =	{Keywords: Deontic logic, normative systems, input/output logic}
}