TY  - JOUR
AU  - Duggal, K. L.
TI  - On the Spheres Carrying an Almost Contingent Structure
JO  - Canadian mathematical bulletin
PY  - 1975
SP  - 195
EP  - 201
VL  - 18
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-039-3/
DO  - 10.4153/CMB-1975-039-3
ID  - 10_4153_CMB_1975_039_3
ER  -