@incollection{SB_1948-1951__1__103_0, author = {Blanchard, Andr\'e}, title = {Groupes alg\'ebriques et \'equations diff\'erentielles lin\'eaires}, booktitle = {S\'eminaire Bourbaki : ann\'ees 1948/49 - 1949/50 - 1950/51, expos\'es 1-49}, author = {Collectif}, series = {S\'eminaire Bourbaki}, note = {talk:17}, publisher = {Soci\'et\'e math\'ematique de France}, number = {1}, year = {1952}, mrnumber = {1605133}, language = {fr}, url = {archive.numdam.org/item/SB_1948-1951__1__103_0/} }
Blanchard, André. Groupes algébriques et équations différentielles linéaires, dans Séminaire Bourbaki : années 1948/49 - 1949/50 - 1950/51, exposés 1-49, Séminaire Bourbaki, no. 1 (1952), Exposé no. 17, 7 p. http://archive.numdam.org/item/SB_1948-1951__1__103_0/
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