1. Apéry, R.: Sur les branches superlinéaires des courbes algébriques. C.R.A.S. Paris 222, 1198–1200 (1946)
2. Abhyankar, S.S., Moh, T.T.: Newton–Puiseux expansion and generalized Tschirnhausen transformation. J. Reine Angew Math. 260, 47–83 (1973)
3. Boubakri, Y.: Hypersurface Singularities in Positive Characteristic. PhD. Thesis, Technischen Universität Kaiserslautern (2009)
4. Campillo, A.: Algebroid Curves in Positive Characteristic, p. 813. Springer LNM, New York (1980)
5. Casas-Alvero, E.: Singularities of Plane Curves. Cambridge University Press, Cambridge (2000)