TY - JOUR AU - Amerah A. Al Ameer AU - Vladimir V. Kisil TI - Tuning Co- and Contra-Variant Transforms: the Heisenberg Group Illustration JO - Symmetry, integrability and geometry: methods and applications PY - 2022 VL - 18 UR - http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a64/ LA - en ID - SIGMA_2022_18_a64 ER -