References
Wiebe van der Hoek
with Ågotnes, T. , Rodríguez-Aguilar, J. A. , Sierra, C. , Wooldridge, M. (2009). A temporal logic of normative systems. In D. Makinson, J. Malinowski, & H. Wansing (Eds.). Towards mathematical philosophy (pp. 69-106). Dordrecht: Springer.