He wrote several studies of the mathematician, including:
*• Évariste Galois’s relationships with the mathematicians of his time (Revue d’histoire des sciences et de leurs applications, volume 1, 1947);*
*• Augustin Cauchy and Évariste Galois’s scientific relationship (Revue d’histoire des sciences et de leurs applications, volume 24, 1971);*
• Évariste Galois and his biographers: From history to legend (Sciences et techniques en perspective 26, 1993).