@article{DAN_1986_290_3_a4,
     author = {N. A. Gusevskii and M. \`E. Kapovich},
     title = {Conformal structures on three-dimensional manifolds},
     journal = {Doklady Akademii Nauk},
     pages = {537--541},
     publisher = {mathdoc},
     volume = {290},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_3_a4/}
}