BOARD, Editorial. Bibliography of Professor Stefan Jakobielski. Études et Travaux, [S. l.], n. 32, p. 13–22, 2019. DOI: 10.12775/EtudTrav.32.002. Disponível em: https://apcz.umk.pl/ET/article/view/EtudTrav.32.002. Acesso em: 21 kwi. 2026.