Stere, Ianuş, Marchiafava Stefano, Ornea Liviu, and Pantilie Radu. “Twistorial Maps Between Quaternionic Manifolds”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 9, no. 1 (March 24, 2010): 47-67. Accessed February 22, 2026. https://journals.sns.it/index.php/annaliscienze/article/view/199.