Lamairia Abd Elhakim and Haouam Kamel. Nonexistence of Global Solutions of Some Nonlinear Ultra-Parabolic Equations on the Heisenberg Group. TPMCS-V7 [Internet]. 2021 Feb. 12 [cited 2026 Jun. 4];:109-24. Available from: https://stm.bookpi.org/TPMCS-V7/article/view/160