TY  - JOUR
AU  - J. Milnor
TI  - On Characteristic Classes for Spherical Fibre Spaces.
JO  - Commentarii mathematici Helvetici
PY  - 1968
SP  - 51
EP  - 77
VL  - 43
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1968__43_139352/
ID  - CMH_1968__43_139352
ER  -