@article{AIHPA_1970__13_1_27_0,
     author = {Lindblad, G. and Nagel, B.},
     title = {Continuous bases for unitary irreducible representations of $SU(1, 1)$},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {27--56},
     publisher = {Gauthier-Villars},
     volume = {13},
     number = {1},
     year = {1970},
     mrnumber = {273920},
     zbl = {0203.57202},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1970__13_1_27_0/}
}