@article{DAN_1970_195_4_a16,
     author = {M. F. Shirokov},
     title = {On some applications of special coordinate conditions in the {Einstein's} theory of gravity},
     journal = {Doklady Akademii Nauk},
     pages = {814--817},
     publisher = {mathdoc},
     volume = {195},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_4_a16/}
}