@article{DAN_1975_222_2_a15,
     author = {V. Ya. Kreinovich},
     title = {Gupta's derivation of {Einstein's} equations},
     journal = {Doklady Akademii Nauk},
     pages = {319--321},
     publisher = {mathdoc},
     volume = {222},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_2_a15/}
}