@Misc{ Alt16, author = { Altavilla, Amedeo }, title = { Twistor interpretation of slice regular functions }, journal = { Journal of Geometry and Physics }, year = { 2018 }, doi = { https://doi.org/10.1016/j.geomphys.2017.09.007 }, volume = { 123 }, pages = { 184--208 }, URL = { https://gecogedi.dimai.unifi.it/paper/325/ }, note = { cvgmt preprint} }