@article{ASENS_1979_4_12_2_169_0,
     author = {Lepowsky, J.},
     title = {Generalized {Verma} modules, loop space cohomology and {MacDonald-type} identities},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {169--234},
     publisher = {Elsevier},
     volume = {Ser. 4, 12},
     number = {2},
     year = {1979},
     doi = {10.24033/asens.1365},
     zbl = {0414.17007},
     mrnumber = {543216},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.1365/}
}