TY - JOUR AU - Ali, S. T. AU - Antoine, J.-P. AU - Gazeau, J.-P. TI - Square integrability of group representations on homogeneous spaces. II. Coherent and quasi-coherent states. The case of the Poincaré group JO - Annales de l'I.H.P. Physique théorique PY - 1991 SP - 857 EP - 890 VL - 55 IS - 4 PB - Gauthier-Villars UR - http://www.numdam.org/item/AIHPA_1991__55_4_857_0/ LA - en ID - AIHPA_1991__55_4_857_0 ER -