@article{01267653, title = {Drinfel'd doubles and Ehresmann doubles for Lie algebroids and Lie bialgebroids.}, journal = {Electronic Research Announcements of the American Mathematical Society [electronic only]}, volume = {4}, year = {1998}, pages = {74-87}, doi = {10.1090/S1079-6762-98-00050-X}, zbl = {0924.58115}, language = {en}, url = {http://dml.mathdoc.fr/item/01267653} }
Mackenzie, K.C.H. Drinfel'd doubles and Ehresmann doubles for Lie algebroids and Lie bialgebroids.. Electronic Research Announcements of the American Mathematical Society [electronic only], Tome 4 (1998) pp. 74-87. doi : 10.1090/S1079-6762-98-00050-X. http://gdmltest.u-ga.fr/item/01267653/