Cerveau, Dominique, and Paulo R. Sad. “Fonctions Et Feuilletages Levi-Flat. Étude Locale”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 3, no. 2 (December 14, 2009): 427-445. Accessed May 26, 2026. https://journals-dev.sns.it/index.php/annaliscienze/article/view/44.