@incollection{MSMF_1984_2_15__157_0,
     author = {Flensted-Jensen, Mogens and Okamoto, Kiyosato},
     title = {An explicit construction of the {K-finite} vectors in the discrete series for an isotropic semisimple symmetric space},
     booktitle = {Analyse harmonique sur les groupes de Lie et les espaces sym\'etriques (Actes du colloque du Kleebach, 20-24 mai 1983)},
     editor = {Duflo, Michel and Eymard, Pierre and Schiffmann, G\'erard},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {157--199},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {15},
     year = {1984},
     doi = {10.24033/msmf.303},
     mrnumber = {87c:22025},
     zbl = {0563.22008},
     url = {http://archive.numdam.org/articles/10.24033/msmf.303/}
}