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@article{AMA_2003__2003_1_123283, author = {Reynaud, Eric}, title = {Incidence algebras and algebraic fundamental group.}, journal = {AMA. Algebra Montpellier Announcements [electronic only]}, publisher = {mathdoc}, volume = {2003}, number = {1}, year = {2003}, zbl = {1032.16013}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/AMA_2003__2003_1_123283/} }
Reynaud, Eric. Incidence algebras and algebraic fundamental group.. AMA. Algebra Montpellier Announcements [electronic only], Tome 2003 (2003) no. 1. https://geodesic-test.mathdoc.fr/item/AMA_2003__2003_1_123283/