The hull orthogonal of the unit inteval [0,1] Sami Lazaar | Saber Nacib | Show more Sami Lazaar Tunisia University Tunis-El Manar Faculty of Sciences Saber Nacib Tunisia University of Gafsa Faculty of Sciences Submitted: 2017-11-22 | Accepted: 2018-05-06 | Published: 2018-10-04 DOI: https://doi.org/10.4995/agt.2018.8981