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Grigoriev, Y.; Meleshko, S.; Suriyawichitseranee, A. On Preliminary Group Classification of the Isotropic Boltzmann Equation With a Source Term in a Problem of Homogeneous Relaxation by Using Extended Equivalence Group. JVTSD 2026, 5 (3), 259-267. https://doi.org/10.5890/JVTSD.2021.09.006.