1. T. W. Alasdair Armstrong Georg Struth. Programming and Automating Mathematics in the Tarski-Kleene Hierarchy. 2014. T. W. Alasdair Armstrong Georg Struth. Programming and Automating Mathematics in the Tarski-Kleene Hierarchy. 2014.
2. Canonical Big Operators
3. A. Bostan. Algorithmique efficace pour des opérations de base en Calcul formel. 2003. A. Bostan. Algorithmique efficace pour des opérations de base en Calcul formel. 2003.
4. Formal Power Series
5. P. Quaresma. DCpic package to draw diagrams in Latex. https://www. ctan.org/pkg/dcpic. Accessed: 25/06/2015. P. Quaresma. DCpic package to draw diagrams in Latex. https://www. ctan.org/pkg/dcpic. Accessed: 25/06/2015.