TY  - JOUR
AU  - A. V. Levichev
TI  - The causal structure of a Lorentzian manifold determines its
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 1301
EP  - 1305
VL  - 293
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_293_6_a3/
LA  - ru
ID  - DAN_1987_293_6_a3
ER  -