TY - JOUR AU - Tricerri, F. AU - Vanhecke, L. TI - Naturally reductive homogeneous spaces and generalized Heisenberg groups JO - Compositio Mathematica PY - 1984 SP - 389 EP - 408 VL - 52 IS - 3 PB - Martinus Nijhoff Publishers UR - http://www.numdam.org/item/CM_1984__52_3_389_0/ LA - en ID - CM_1984__52_3_389_0 ER -