BARROUK, Nabila, et al. “Invariant Regions and Global Existence of Uniqueness Weak Solutions for Tridiagonal Reaction-Diffusion Systems”. Studia Universitatis Babeș-Bolyai Mathematica, vol. 69, no. 2, June 2024, pp. 367-81, doi:10.24193/subbmath.2024.2.08.