A topological proof of Grushko's theorem on free products.
Mathematische Zeitschrift, Tome 90 (1965), pp. 1-8
Cet article a éte moissonné depuis la source European Digital Mathematics Library
@article{MZ_1965__90_170458,
author = {John R. Stallings},
title = {A topological proof of {Grushko's} theorem on free products.},
journal = {Mathematische Zeitschrift},
pages = {1--8},
year = {1965},
volume = {90},
zbl = {0135.04603},
url = {http://geodesic.mathdoc.fr/item/MZ_1965__90_170458/}
}
John R. Stallings. A topological proof of Grushko's theorem on free products.. Mathematische Zeitschrift, Tome 90 (1965), pp. 1-8. http://geodesic.mathdoc.fr/item/MZ_1965__90_170458/