@article{ASENS_1993_4_26_4_425_0,
     author = {Baaj, Saad and Skandalis, Georges},
     title = {Unitaires multiplicatifs et dualit\'e pour les produits crois\'es de $\mathrm {C}^\ast $-alg\`ebres},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {425--488},
     publisher = {Elsevier},
     volume = {4e s{\'e}rie, 26},
     number = {4},
     year = {1993},
     doi = {10.24033/asens.1677},
     mrnumber = {94e:46127},
     zbl = {0804.46078},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.1677/}
}