Propositional Belief Base Update and Minimal Change.

Andreas Herzig Omar Rifi Propositional Belief Base Update and Minimal Change. 107-138 1999 115 Artif. Intell. 1 db/journals/ai/ai115.html#HerzigR99 http://dx.doi.org/10.1016/S0004-3702(99)00072-7