PETRENKO, O. Operetta «Key on the Pavement» by Jacques Offenbach: Modern Directing and Analytical Aspect. Ukrainian musicology, [S. l.], v. 47, p. 49–57, 2021. DOI: 10.31318/0130-5298.2021.47.256720. Disponível em: http://musicology.com.ua/article/view/256720. Acesso em: 17 feb. 2026.