@article{DAN_1977_234_5_a13,
     author = {D. D. Sokoloff and A. A. Starobinskii},
     title = {On the structure of curvature tensor on conical singularities},
     journal = {Doklady Akademii Nauk},
     pages = {1043--1046},
     year = {1977},
     volume = {234},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a13/}
}