2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/153204The integrability in quadratures of normality equation for spatially homogeneous dynamical systems in two-dimensional space is shown. The classical symmetries of this equation are calculated and the corresponding self-similar solutions are found.6 pages AmS-TeX, version 2.1Pattern Formation and Solitonstext