Skuratovskii, R.V. (2009) “Ideals of one-branch singularities of curves of the type $W$”, Ukrains’kyi Matematychnyi Zhurnal, 61(9), pp. 1257–1266. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3097 (Accessed: 26 April 2025).