@misc{18492, author = {{Peckhaus, Volker}}, booktitle = {{Zentralblatt für Mathematik und ihre Grenzgebiete }}, title = {{{Mormann, Thomas, “Towards and Evolutionary Account of Conceptual Change in Mathematics: Proofs and Refutations and the Axiomatic Variation of Concepts”, In: G. Kampis/L. Kvasz/M. Stöltzner (Hgg.), Appraising Lakatos: Mathematics, Methodology and the Man, Kluwer: Dordrecht 2002, 139–156}}}, year = {{2004}}, }