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Abelian group extensions and the axiom of constructibility.
Commentarii mathematici Helvetici, Tome 54 (1979), pp. 440-457 Cet article a éte moissonné depuis la source European Digital Mathematics Library

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Mots-clés : structure of Ext, finite torsion-free rank, countable torsion-free rank, Pontryagin's criterion, Axiom of constructibility 
@article{CMH_1979__54_139796,
     author = {Martin Huber and Paul C. Eklof},
     title = {Abelian group extensions and the axiom of constructibility.},
     journal = {Commentarii mathematici Helvetici},
     pages = {440--457},
     year = {1979},
     volume = {54},
     zbl = {0417.20049},
     url = {http://geodesic.mathdoc.fr/item/CMH_1979__54_139796/}
}
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Martin Huber; Paul C. Eklof. Abelian group extensions and the axiom of constructibility.. Commentarii mathematici Helvetici, Tome 54 (1979), pp. 440-457. http://geodesic.mathdoc.fr/item/CMH_1979__54_139796/