@article{CM_1984__52_3_389_0, author = {Tricerri, F. and Vanhecke, L.}, title = {Naturally reductive homogeneous spaces and generalized {Heisenberg} groups}, journal = {Compositio Mathematica}, pages = {389--408}, publisher = {Martinus Nijhoff Publishers}, volume = {52}, number = {3}, year = {1984}, mrnumber = {756730}, zbl = {0551.53028}, language = {en}, url = {http://www.numdam.org/item/CM_1984__52_3_389_0/} }