1. Towards a notion of unsatisfiable cores for LTL;Schuppan,2009
2. V. Schuppan, Towards a notion of unsatisfiable cores for LTL, Tech. Rep. 200901000, Fondazione Bruno Kessler, available from http://www.schuppan.de/viktor/VSchuppan-FSEN-2009-full.pdf (2009).
3. The temporal logic of programs;Pnueli,1977
4. Temporal and modal logic;Emerson,1990
5. Formal analysis of hardware requirements;Pill,2006