@article{TM_2020_311_a4,
     author = {Johann Davidov and Oleg Mushkarov},
     title = {Curvature {Properties} of {Twistor} {Spaces}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {84--105},
     publisher = {mathdoc},
     volume = {311},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2020_311_a4/}
}