GRAJEWSKI, C. . Gregorian elements in the work of Vincent d’Indy. Seminare. Learned Investigations, [S. l.], v. 32, p. 243–252, 2023. DOI: 10.21852/sem.2012.32.19. Disponível em: https://czasopisma.uksw.edu.pl/index.php/s/article/view/11297. Acesso em: 17 may. 2024.