@article{DAN_1966_168_4_a14,
     author = {D. I. Blokhintsev},
     title = {Space-time metric and non-linear fields},
     journal = {Doklady Akademii Nauk},
     pages = {774--776},
     publisher = {mathdoc},
     volume = {168},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_168_4_a14/}
}