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@article{MAN_1983__265_163819, author = {Kamil John}, title = {Counterexample to a {Conjecture} of {Grothendieck.}}, journal = {Mathematische Annalen}, pages = {169--180}, publisher = {mathdoc}, volume = {265}, year = {1983}, zbl = {0506.46053}, url = {http://geodesic.mathdoc.fr/item/MAN_1983__265_163819/} }
Kamil John. Counterexample to a Conjecture of Grothendieck.. Mathematische Annalen, Tome 265 (1983), pp. 169-180. http://geodesic.mathdoc.fr/item/MAN_1983__265_163819/