Arrangement of hyperplanes. I. Rational functions and Jeffrey-Kirwan residue
Annales scientifiques de l'École Normale Supérieure, Serie 4, Volume 32 (1999) no. 5, p. 715-741 
@article{ASENS_1999_4_32_5_715_0,
     author = {Brion, Michel and Vergne, Mich\`ele},
     title = {Arrangement of hyperplanes. I. Rational functions and Jeffrey-Kirwan residue},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     publisher = {Elsevier},
     volume = {Ser. 4, 32},
     number = {5},
     year = {1999},
     pages = {715-741},
     doi = {10.1016/s0012-9593(01)80005-7},
     zbl = {0945.32003},
     mrnumber = {2001e:32039},
     language = {en},
     url = {http://www.numdam.org/item/ASENS_1999_4_32_5_715_0}
}

Brion, Michel; Vergne, Michèle. Arrangement of hyperplanes. I. Rational functions and Jeffrey-Kirwan residue. Annales scientifiques de l'École Normale Supérieure, Serie 4, Volume 32 (1999) no. 5, pp. 715-741. doi : 10.1016/s0012-9593(01)80005-7. http://www.numdam.org/item/ASENS_1999_4_32_5_715_0/

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