Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1992_5_a0, author = {D. V. Alekseevskii and M. M. Graev}, title = {Twistors of {a~Riemannian} manifold, and {CR-structures}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--19}, publisher = {mathdoc}, number = {5}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1992_5_a0/} }
D. V. Alekseevskii; M. M. Graev. Twistors of a~Riemannian manifold, and CR-structures. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1992), pp. 3-19. http://geodesic.mathdoc.fr/item/IVM_1992_5_a0/