SANNIKHOVA, N. V. Creative Method of Karlheinz Stockhausen: the Form-Schemes, Formulae and Superformulae in the Composer’s Works. Music Scholarship / Problemy Muzykal’noj Nauki, [S. l.], v. 3, n. 2, p. 181–187, 2008. Disponível em: https://musicscholar.ru/index.php/PMN/article/view/741. Acesso em: 3 jul. 2024.