Manetti, Marco. “Lie Description of Higher Obstructions to Deforming Submanifolds”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 6, no. 4 (December 2, 2009): 631-659. Accessed February 20, 2026. https://journals.sns.it/index.php/annaliscienze/article/view/138.