Ozawa, Makoto. “Unknotting Submanifolds of the 3-Sphere by Twistings”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 18, no. 3 (May 21, 2018): 1145-1153. Accessed February 20, 2026. https://journals.sns.it/index.php/annaliscienze/article/view/609.