Coorevits, Patrice, Jean-Pierre Pelle, and Philippe Rougeot. 1994. “Sur I’ Adaptativite Des Maillages a Base De Quadrilateres Application a I’automatisation De Calculs Elements Finis En Elasticite 2D”. European Journal of Computational Mechanics 3 (3):379-409. https://journals.riverpublishers.com/index.php/EJCM/article/view/3615.