@incollection{AST_1976__38-39__159_0,
     author = {Morgenstern, J.},
     title = {Transformations de {Fourier} discr\`etes},
     booktitle = {Journ\'ees algorithmiques},
     series = {Ast\'erisque},
     pages = {159--167},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {38-39},
     year = {1976},
     mrnumber = {441832},
     zbl = {0347.42020},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1976__38-39__159_0/}
}