Imsatfia, Moheddine, and Anouar Houmia. “APPLICATION OF CARTAN’S EQUIVALENCE METHOD TO DISTRIBUTION OF PLANES”. Advances in Differential Equations and Control Processes 26 (January 14, 2022): 113–130. Accessed April 29, 2026. https://ojs.acad-pub.com/index.php/ADECP/article/view/2546.