NOCOŃ, A. The poet of dawn and dusk. The hymns of st Ambrose in the liturgy of the hours. Vox Patrum, [S. l.], v. 57, p. 437–451, 2012. DOI: 10.31743/vp.4144. Disponível em: https://czasopisma.kul.pl/index.php/vp/article/view/4144. Acesso em: 25 jan. 2022.