@article{AIHPA_1970__13_1_1_0,
     author = {Nagel, John G.},
     title = {Expansion of inhomogenizations of all the classical {Lie} algebras to classical {Lie} algebras},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {1--26},
     publisher = {Gauthier-Villars},
     volume = {13},
     number = {1},
     year = {1970},
     mrnumber = {271176},
     zbl = {0203.57201},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1970__13_1_1_0/}
}