Intersection curves of hypersurfaces in R4. - Nassar H. Abdel-All; Sayed Abdel-Naeim Badr; M. A. Soliman; Soad A. Hassan (Comput. Aided Geom. Des., 2012)

Differential geometry of non-transversal intersection curves of three parametric hypersurfaces in Euclidean 4-space. - Osmar Aléssio; Mustafa Düldül; Bahar Uyar Düldül; Sayed Abdel-Naeim Badr; Nassar H. Abdel-All (Comput. Aided Geom. Des., 2014)

Non-transversal intersection curves of hypersurfaces in Euclidean 4-space. - Sayed Abdel-Naeim Badr; Nassar H. Abdel-All; Osmar Aléssio; Mustafa Düldül; Bahar Uyar Düldül (J. Comput. Appl. Math., 2015)

Differential geometry of non-transversal intersection curves of three implicit hypersurfaces in Euclidean 4-space. - Osmar Aléssio; Mustafa Düldül; Bahar Uyar Düldül; Nassar H. Abdel-All; Sayed Abdel-Naeim Badr (J. Comput. Appl. Math., 2016)