Almanza Caro, M. E., & Andrade, R. G. (1). A variational approach of stationary Boltzmann equation under a condition of Poisson type. Rev. Téc. Fac. Ing. Univ. Zulia, 36(3). Recuperado a partir de https://produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/6927