TY  - JOUR
AU  - Hu, Sze-Tsen
TI  - On the Whitehead group of automorphisms of the relative homotopy groups
JO  - Portugaliae mathematica
PY  - 1948
SP  - 181
EP  - 206
VL  - 7
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1948__7_4_114666/
LA  - en
ID  - PORMA_1948__7_4_114666
ER  -