Geodesic
Relative Injectives and Free Monads
Canadian mathematical bulletin, Tome 24 (1981) no. 1, pp. 29-35

Voir la notice de l'article provenant de la source Cambridge University Press

Let ∑ be a class of maps in a category An object I of is ∑-injective if is an epimorphism for all σ ∈ ∑. This paper is concerned with the question of finding “enough” S-injectives in a functorial way. 
Wolff, Harvey. Relative Injectives and Free Monads. Canadian mathematical bulletin, Tome 24 (1981) no. 1, pp. 29-35. doi: 10.4153/CMB-1981-004-7
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