Ayad, Rezak, Jean-Louis Batoz, and Gouri Dhatt. 1995. “Un Element Quadrilateral De Plaque Base Sur One Formulation Mixte-Hybride Avec Projection En Cisaillement”. European Journal of Computational Mechanics 4 (4):415-40. https://journals.riverpublishers.com/index.php/EJCM/article/view/3557.