JIA, G.; LI, F.- lan. Poincare type inequalities of Heisenberg group target for p < 2. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 5, n. 3, p. 792–802, 2014. DOI: 10.24297/jam.v5i3.3695. Disponível em: https://rajpub.com/index.php/jam/article/view/3695. Acesso em: 15 may. 2024.