TY  - JOUR
AU  - P. J. Hilton
TI  - On the homotopy groups of the union of spheres
JO  - Matematika
PY  - 1957
SP  - 19
EP  - 36
VL  - 1
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAT_1957_1_1_a1/
LA  - ru
ID  - MAT_1957_1_1_a1
ER  -