GOR'KAVYI, V. A.; MILKA, A. D. Birosettes are model flexors. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 70, n. 7, p. 885–904, 2018. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1603. Acesso em: 5 dec. 2025.