@article{ASENS_2001_4_34_2_223_0,
     author = {Guillermou, St\'ephane},
     title = {Index of transversally elliptic $D$-modules},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {223--265},
     publisher = {Elsevier},
     volume = {Ser. 4, 34},
     number = {2},
     year = {2001},
     doi = {10.1016/s0012-9593(00)01060-0},
     mrnumber = {1841878},
     zbl = {1011.32004},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/s0012-9593(00)01060-0/}
}