TY  - JOUR
AU  - W. Roter
TI  - On null geodesic collineations in some Riemannian spaces
JO  - Colloquium Mathematicum
PY  - 1974
SP  - 97
EP  - 105
VL  - 31
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-31-1-97-105/
DO  - 10.4064/cm-31-1-97-105
LA  - en
ID  - 10_4064_cm_31_1_97_105
ER  -