Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1963__12_165836, author = {Leif Kristensen}, title = {On the {Cohomology} of {Spaces} with {Two} {Non-Vanishing} {Homotopy} {Groups.}}, journal = {Mathematica Scandinavica}, pages = {83--105}, publisher = {mathdoc}, volume = {12}, year = {1963}, zbl = {0117.16301}, url = {http://geodesic.mathdoc.fr/item/MS2_1963__12_165836/} }
Leif Kristensen. On the Cohomology of Spaces with Two Non-Vanishing Homotopy Groups.. Mathematica Scandinavica, Tome 12 (1963), pp. 83-105. http://geodesic.mathdoc.fr/item/MS2_1963__12_165836/