YOUNG, R. Harmonic intrinsic graphs in the Heisenberg group. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], p. 39, 2022. DOI: 10.2422/2036-2145.202105_054. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/5772. Acesso em: 26 may. 2025.