Geodesic
Projective objects in the category of chain complexes
Communications in Mathematics, Tome 7 (1999) no. 1, pp. 33-38 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Classification : 18G05, 18G35 
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Kehrein, Achim. Projective objects in the category of chain complexes. Communications in Mathematics, Tome 7 (1999) no. 1, pp. 33-38. http://geodesic.mathdoc.fr/item/COMIM_1999_7_1_a2/

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