TY  - JOUR
AU  - Gunnar Carlsson
TI  - A Counterexample to a Conjecture of Steenrod.
JO  - Inventiones mathematicae
PY  - 1981
SP  - 171
EP  - 174
VL  - 64
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1981__64_142818/
ID  - IM_1981__64_142818
ER  -