Lyndon, Roger (1959), "An interpolation theorem in the predicate calculus", Pacific Journal of Mathematics, 9: 129–142, doi:10.2140/pjm.1959.9.129.
Vizel, Y.; Weissenbacher, G.; Malik, S. (2015). "Boolean Satisfiability Solvers and Their Applications in Model Checking". Proceedings of the IEEE. 103 (11): 2021–2035. doi:10.1109/JPROC.2015.2455034. S2CID10190144.
semanticscholar.org
api.semanticscholar.org
Vizel, Y.; Weissenbacher, G.; Malik, S. (2015). "Boolean Satisfiability Solvers and Their Applications in Model Checking". Proceedings of the IEEE. 103 (11): 2021–2035. doi:10.1109/JPROC.2015.2455034. S2CID10190144.