@article{DAN_1983_268_6_a24,
     author = {A. L. Zel'manov and Z. R. Khabibov},
     title = {Chronometry cally invariant variations in the {Einstein's} theory of gravity},
     journal = {Doklady Akademii Nauk},
     pages = {1378--1380},
     publisher = {mathdoc},
     volume = {268},
     number = {6},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_268_6_a24/}
}