Geodesic
Projective objects in the category of chain complexes
Communications in Mathematics, Tome 07 (1999) no. 1, pp. 33-38.

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

Classification : 18G05, 18G35 
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     author = {Kehrein, Achim},
     title = {Projective objects in the category of chain complexes},
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     url = {http://geodesic.mathdoc.fr/item/COMIM_1999__7_1_a2/}
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Kehrein, Achim. Projective objects in the category of chain complexes. Communications in Mathematics, Tome 07 (1999) no. 1, pp. 33-38. http://geodesic.mathdoc.fr/item/COMIM_1999__7_1_a2/