@article{DAN_1984_274_6_a14,
     author = {M. Ya. Pal'chik and E. S. Fradkin},
     title = {On linear conformal gravitation},
     journal = {Doklady Akademii Nauk},
     pages = {1345--1348},
     year = {1984},
     volume = {274},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_274_6_a14/}
}