@article{ASENS_1987_4_20_1_31_0,
     author = {Keys, David C.},
     title = {$L$-indistinguishability and $R$-groups for quasisplit groups : unitary groups in even dimension},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {31--64},
     publisher = {Elsevier},
     volume = {Ser. 4, 20},
     number = {1},
     year = {1987},
     doi = {10.24033/asens.1523},
     mrnumber = {88m:22042},
     zbl = {0634.22014},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.1523/}
}