@article{AIHPA_1975__23_3_297_0, author = {Ihrig, E. and Sen, D. K.}, title = {Uniqueness of timelike killing vector fields}, journal = {Annales de l'I.H.P. Physique th\'eorique}, volume = {23}, year = {1975}, pages = {297-301}, mrnumber = {389131}, zbl = {0316.53047}, language = {en}, url = {http://dml.mathdoc.fr/item/AIHPA_1975__23_3_297_0} }
Ihrig, E.; Sen, D. K. Uniqueness of timelike killing vector fields. Annales de l'I.H.P. Physique théorique, Tome 23 (1975) pp. 297-301. http://gdmltest.u-ga.fr/item/AIHPA_1975__23_3_297_0/
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