@article{ASENS_1973_4_6_1_67_0,
     author = {Araki, Huzihiro},
     title = {Expansional in banach algebras},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {67--84},
     publisher = {Elsevier},
     volume = {Ser. 4, 6},
     number = {1},
     year = {1973},
     doi = {10.24033/asens.1243},
     mrnumber = {55 #8793},
     zbl = {0257.46054},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/asens.1243/}
}