Osmar Aléssio, Mustafa Düldül, Bahar Uyar Düldül, Sayed Abdel-Naeim Badr, Nassar H. Abdel-All. Differential geometry of non-transversal intersection curves of three parametric hypersurfaces in Euclidean 4-space. Computer Aided Geometric Design, 31(9):712-727, 2014. [doi]
Abstract is missing.