1. Blizard, W.D.: Multiset theory. Notre Dame J. Formal Logic 30(1), 36–66 (1989). https://doi.org/10.1305/ndjfl/1093634995
2. Buchberger, B.: Theory exploration with theorema. Analele Universitatii Din Timisoara, Seria Matematica-Informatica XXXVII(2), 9–32 (2000)
3. Buchberger, B.: Algorithm invention and verification by lazy thinking. Analele Universitatii din Timisoara, Seria Matematica - Informatica XLI, 41–70 (2003)
4. Buchberger, B., Craciun, A.: Algorithm synthesis by lazy thinking: using problem schemes. In: Proceedings of SYNASC, pp. 90–106 (2004)
5. Buchberger, B., et al.: The theorema project: a progress report. In: Calculemus 2000, pp. 98–113. A.K. Peters, Natick (2000)