TY  - JOUR
AU  - Duggal, K. L.
TI  - On Almost Contingent Manifolds of Second Class with Applications in Relativity
JO  - Canadian mathematical bulletin
PY  - 1978
SP  - 289
EP  - 295
VL  - 21
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-051-4/
DO  - 10.4153/CMB-1978-051-4
ID  - 10_4153_CMB_1978_051_4
ER  -