2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144884In the paper we describe basin of attraction and the Siegel discs of the $p$-adic dynamical system $f(x)=x^{2n+1}+ax^{n+1}$ over complex $p$-adic field.8 pages, in RussianDynamical SystemsNumber Theory37E99, 37B25, 54H20, 12J12.On one polynomial $p$-adic dynamical systemtext