TY  - JOUR
AU  - Cheng, Chao-Kun
TI  - Multiplications on a Space with Finitely Many Non-Vanishing Homotopy Groups
JO  - Canadian journal of mathematics
PY  - 1972
SP  - 1052
EP  - 1062
VL  - 24
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-107-4/
DO  - 10.4153/CJM-1972-107-4
ID  - 10_4153_CJM_1972_107_4
ER  -