@article{1104248954, author = {Berger, Roland}, title = {The quantum Poincar\'e-Birkhoff-Witt theorem}, journal = {Comm. Math. Phys.}, volume = {143}, number = {2}, year = {1992}, pages = { 215-234}, language = {en}, url = {http://dml.mathdoc.fr/item/1104248954} }
Berger, Roland. The quantum Poincaré-Birkhoff-Witt theorem. Comm. Math. Phys., Tome 143 (1992) no. 2, pp. 215-234. http://gdmltest.u-ga.fr/item/1104248954/