Li, Yeping. “Global Existence and Asymptotic Behavior of the Solutions to the 3D Bipolar Non-Isentropic Euler–Poisson Equation”. Nonlinear Analysis: Modelling and Control 20, no. 3 (July 20, 2015): 305–330. Accessed May 6, 2024. https://www.journals.vu.lt/nonlinear-analysis/article/view/13516.