De Poi, P. and Ilardi, G. . (2019) “On the hypersurfaces contained in their Hessian”, Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, 18, pp. 21–33. Available at: https://studmath.uken.krakow.pl/article/view/7636 (Accessed: 21 November 2024).