@article{CTGDC_1992__33_3_237_0, author = {Gramain, Andr\'e}, title = {Le th\'eor\`eme de Van Kampen}, journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques}, volume = {33}, year = {1992}, pages = {237-251}, mrnumber = {1186948}, zbl = {0856.57001}, language = {fr}, url = {http://dml.mathdoc.fr/item/CTGDC_1992__33_3_237_0} }
Gramain, André. Le théorème de Van Kampen. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 33 (1992) pp. 237-251. http://gdmltest.u-ga.fr/item/CTGDC_1992__33_3_237_0/
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