Symmetry Group Analysis of the Unsteady Heat Transfer of Spherical Nanoparticles at a Small Reynolds Number Value. - Andriy A. Avramenko; Igor V. Shevchuk; Margarita M. Kovetskaya; Andriy S. Kobzar; Kyryl Fedortsev; Olesya Y. Stepanova (Axioms, 2026)