1. H. Bass, Algebraic K-Theory (Benjamin, New York).
2. H. Bass, K0-Theory and Stable Algebra (Inst. Hautes Etudes Sci., Paris).
3. Thése;Bkouche;Bull. Soc. Math. Fr.,1970
4. Pureté molesse paracompacité;Bkouche;C.R. Acad. Sci. Paris,1970
5. N. Bourbaki, Algébre Commutative, Chapitres 1-2.