1. Ansótegui, C., Gomes, C.P., Selman, B.: The Achilles’ heel of QBF. In: Veloso, M.M., Kambhampati, S. (eds.) AAAI 2005, pp. 275–281. AAAI Press/The MIT Press (2005)
2. Balabanov, V., Chiang, H.J.K., Jiang, J.R.: Henkin quantifiers and Boolean formulae: a certification perspective of DQBF. Theor. Comput. Sci. 523, 86–100 (2014)
3. Balabanov, V., Jiang, J.R.: Unified QBF certification and its applications. Formal Methods Syst. Des. 41(1), 45–65 (2012)
4. Balabanov, V., Jiang, J.R., Mishchenko, A., Scholl, C.: Clauses versus gates in CEGAR-based 2QBF solving. In: Darwiche, A. (ed.) Beyond NP, Papers from the 2016 AAAI Workshop, AAAI Workshops, vol. WS-16-05. AAAI Press (2016)
5. Lecture Notes in Computer Science;F Lonsing,2010