2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/59429Point transformations of the 3-rd order ordinary differential equations are considered. Special classes of ordinary differential equations that are invariant under the general point transformations are constructed.AmsTex, 6 pages, amsppt styleClassical Analysis and ODEs34A26Point-invariant classes of the third order ordinary differential equationstext