Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1968_179_4_a12, author = {F. I. Fedorov}, title = {A first-order equation for the gravitational field}, journal = {Doklady Akademii Nauk}, pages = {802--805}, publisher = {mathdoc}, volume = {179}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_4_a12/} }
F. I. Fedorov. A first-order equation for the gravitational field. Doklady Akademii Nauk, Tome 179 (1968) no. 4, pp. 802-805. http://geodesic.mathdoc.fr/item/DAN_1968_179_4_a12/