Convergence estimates of a semi-Lagrangian scheme for the ellipsoidal BGK model for polyatomic moleculesSebastiano Boscarino, Seung Yeon Cho, Giovanni Russo and Seok-Bae YunESAIM: M2AN, 56 3 (2022) 893-942DOI: https://doi.org/10.1051/m2an/2022022