@Article{LS+92, Author = "Letz, R. and Schumann, J. and Bayerl, S. and Bibel, W.", Year = "1992", Title = "{SETHEO: A High-Performance Theorem Prover}", Journal = "Journal of Automated Reasoning", Volume = "8", Number = "2", Pages = "183-212", Comment = "TPTPRefForResults,TPTPRef, linear systems" }