TY - JOUR AU - Chang, Der-Chen AU - Yang, Nanping AU - Wu, Hsi-Chun TI - Poincaré Lemma on Quaternion-like Heisenberg Groups JO - Canadian mathematical bulletin PY - 2018 SP - 495 EP - 508 VL - 61 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2017-027-4/ DO - 10.4153/CMB-2017-027-4 ID - 10_4153_CMB_2017_027_4 ER -