TY  - JOUR
AU  - David Blanc
TI  - Homotopy operations and the obstructions to being an H-space.
JO  - Manuscripta mathematica
PY  - 1995
SP  - 497
EP  - 516
VL  - 88
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1995__88_1_156142/
ID  - MM2_1995__88_1_156142
ER  -