@article{701479,
     title = {Square integrability of group representations on homogeneous spaces and generalized coherent states},
     booktitle = {Proceedings of the Winter School "Geometry and Physics"},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1991},
     pages = {[47]-56},
     mrnumber = {MR1151891},
     zbl = {0761.22022},
     url = {http://dml.mathdoc.fr/item/701479}
}

Ali, S. Twareque; Antoine, J.-P.; Gazeau, J.-P. Square integrability of group representations on homogeneous spaces and generalized coherent states, dans Proceedings of the Winter School "Geometry and Physics", GDML_Books,  (1991), pp. [47]-56. http://gdmltest.u-ga.fr/item/701479/