@article{GDZPPN002097230,
title = {A Counterexample to a Conjecture of Steenrod.},
journal = {Inventiones mathematicae},
volume = {64},
year = {1981},
pages = {171-174},
zbl = {0477.55007},
url = {http://dml.mathdoc.fr/item/GDZPPN002097230}
}
Carlsson, Gunnar. A Counterexample to a Conjecture of Steenrod.. Inventiones mathematicae, Tome 64 (1981) pp. 171-174. http://gdmltest.u-ga.fr/item/GDZPPN002097230/