Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1979__38_3-4_115408, author = {Bacon, Philip}, title = {Axioms for {Bockstein} homomorphisms}, journal = {Portugaliae mathematica}, pages = {255--264}, publisher = {mathdoc}, volume = {38}, number = {3-4}, year = {1979}, mrnumber = {0745251}, zbl = {0545.55018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1979__38_3-4_115408/} }
Bacon, Philip. Axioms for Bockstein homomorphisms. Portugaliae mathematica, Tome 38 (1979) no. 3-4, pp. 255-264. http://geodesic.mathdoc.fr/item/PORMA_1979__38_3-4_115408/