Lamairia Abd ELHAKIM; Haouam KAMEL. Nonexistence of Global Solutions of Some Nonlinear Ultra-Parabolic Equations on the Heisenberg Group. Theory and Practice of Mathematics and Computer Science Vol. 7, [S. l.], p. 109–124, 2021. DOI: 10.9734/bpi/tpmcs/v7/2386E. Disponível em: https://stm.bookpi.org/TPMCS-V7/article/view/160. Acesso em: 4 jun. 2026.