Geodesic
Topology of Finite Graphs.
Inventiones mathematicae, Tome 71 (1983), pp. 551-566.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : trees, coverings, immersions of graphs, Howson theorem, intersection of finitely generated subgroups of free group, subgroups of finite index, Kurosh subgroup theorem 
@article{IM_1983__71_143004,
     author = {John R. Stallings},
     title = {Topology of {Finite} {Graphs.}},
     journal = {Inventiones mathematicae},
     pages = {551--566},
     publisher = {mathdoc},
     volume = {71},
     year = {1983},
     zbl = {0521.20013},
     url = {http://geodesic.mathdoc.fr/item/IM_1983__71_143004/}
}
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John R. Stallings. Topology of Finite Graphs.. Inventiones mathematicae, Tome 71 (1983), pp. 551-566. http://geodesic.mathdoc.fr/item/IM_1983__71_143004/