FISCHER, K. A. Euler, Leonhard - Goldbach, Christian: Briefwechsel 1729—1764. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 367–368, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/12437. Acesso em: 4 mai. 2024.