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@article{DAN_1987_293_6_a3, author = {A. V. Levichev}, title = {The causal structure of a {Lorentzian} manifold determines its}, journal = {Doklady Akademii Nauk}, pages = {1301--1305}, publisher = {mathdoc}, volume = {293}, number = {6}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_6_a3/} }
A. V. Levichev. The causal structure of a Lorentzian manifold determines its. Doklady Akademii Nauk, Tome 293 (1987) no. 6, pp. 1301-1305. http://geodesic.mathdoc.fr/item/DAN_1987_293_6_a3/