@article{BroersenWieringaMeyerFI2001, author = {J.M. Broersen and R.J. Wieringa and J.-J.Ch. Meyer}, title = {A Fixed-point Characterization of a Deontic Logic of Regular Action}, journal = Fundamenta Informaticae, volume = 48, number = {2, 3}, annote = {november}, pages = {107-128}, year = {2001}, note = {Special issue with papers from DEON2000}}