Umbilic singularities and lines of curvature on ellipsoids of ℝ4
Crossref DOI link: https://doi.org/10.1007/s00574-014-0058-6
Published Online: 2014-10-01
Published Print: 2014-09
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Lopes, Débora
Sotomayor, Jorge
Garcia, Ronaldo
Text and Data Mining valid from 2014-09-01