, 2014a, Bolzano versus Kant: mathematics as a scientia universalis, in A. Reboul (ed.), Mind, values, and metaphysics I, Dordrecht, Springer, pp. 295-316.
, 2014b, 'The right order of concepts: Graßmann, Peano, Gödel and the inheritance of Leibniz's universal characteristic', Philosophia Scientiae 18 (1), 157-182.
, 2013, 'Geometry and measurement in otto Hölder's epistemology', Philosophia Scientiae 17 (1), 131-164.
with Schlaudt, O. , 2013, 'General introduction', Philosophia Scientiae 17 (1), n/a.
with Schlaudt, O. (eds) , 2013, Philosophia Scientiae 17 (1).
, 2010, 'Aristotle's prohibition rule on kind-crossing and the definition of mathematics as a science of quantities', Synthese 174 (2), 225-235.
, 2009a, 'Le concept d'espace chez Veronese: Une comparaison avec la conception de Helmholtz et Poincaré', Philosophia Scientiae 13 (2), 129-149.