TY  - JOUR
AU  - Piccinini, Renzo A.
TI  - Some Results in the Theory of Fibrations
JO  - Canadian mathematical bulletin
PY  - 1977
SP  - 337
EP  - 345
VL  - 20
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-051-9/
DO  - 10.4153/CMB-1977-051-9
ID  - 10_4153_CMB_1977_051_9
ER  -