Book Chapter
Frege's Concept-Script (Grundgesetze der Arithmetik)
Cook R, Ebert P & Rossberg M (2022) Frege's Concept-Script (Grundgesetze der Arithmetik). In: Woltzenlogel Paleo B & Reis G (eds.) An Encyclopaedia of Proof Systems: Third Edition. 3rd ed. London: College Publication, pp. 5-7. https://github.com/ProofSystem/Encyclopedia/blob/master/main.pdf