TY - JOUR AU - Paul Terwilliger TI - Double Lowering Operators on Polynomials JO - Symmetry, integrability and geometry: methods and applications PY - 2021 VL - 17 UR - http://geodesic.mathdoc.fr/item/SIGMA_2021_17_a8/ LA - en ID - SIGMA_2021_17_a8 ER -