Agafonov, Sergey [UNESP]2020-12-102020-12-102020-01-01Communications In Analysis And Geometry. Somerville: Int Press Boston, Inc, v. 28, n. 3, p. 519-545, 2020.1019-8385http://hdl.handle.net/11449/197064We study non-flat planar 3-webs with infinitesimal symmetries. Using multi-dimensional Schwarzian derivative we give a criterion for linearization of such webs and present a projective classification thereof. Using this classification we show that the Gronwall conjecture is true for 3-webs admitting infinitesimal symmetries.519-545engArtigoWOS:000547474500002