Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1965__17_165929, author = {Anders Kock and Leif Kristensen}, title = {A {Secondary} {Product} {Structure} in {Cohomology} {Theory.}}, journal = {Mathematica Scandinavica}, pages = {113--149}, publisher = {mathdoc}, volume = {17}, year = {1965}, zbl = {0148.43202}, url = {http://geodesic.mathdoc.fr/item/MS2_1965__17_165929/} }
Anders Kock; Leif Kristensen. A Secondary Product Structure in Cohomology Theory.. Mathematica Scandinavica, Tome 17 (1965), pp. 113-149. http://geodesic.mathdoc.fr/item/MS2_1965__17_165929/