TY - JOUR AU - Andreas Vollmer TI - Stäckel Equivalence of Non-Degenerate Superintegrable Systems, and Invariant Quadrics JO - Symmetry, integrability and geometry: methods and applications PY - 2021 VL - 17 UR - http://geodesic.mathdoc.fr/item/SIGMA_2021_17_a14/ LA - en ID - SIGMA_2021_17_a14 ER -