TY  - JOUR
AU  - Ferrández, Angel
TI  - Null 2-Type Hypersurfaces in a Lorentz Space
JO  - Canadian mathematical bulletin
PY  - 1992
SP  - 354
EP  - 360
VL  - 35
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-047-8/
DO  - 10.4153/CMB-1992-047-8
ID  - 10_4153_CMB_1992_047_8
ER  -