TY  - JOUR
AU  - James, I. M.
TI  - On the maps of one fibre space into another
JO  - Compositio Mathematica
PY  - 1971
SP  - 317
EP  - 328
VL  - 23
IS  - 3
PB  - Wolters-Noordhoff Publishing
UR  - http://www.numdam.org/item/CM_1971__23_3_317_0/
LA  - en
ID  - CM_1971__23_3_317_0
ER  -