2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44924Some experimental tests are suggested for possible CP-violations for decays of $B^\pm$ bosons. Especially, a detailed comparison of decays $B^+ \rightarrow D^0 π^+ π^+ π^-$ and $B^- \rightarrow \overline{D^0} π^- π^- π^+$ will lead to tests of not only CP, but also C, and P invariances.6 pages, UR-1318, ER-40685-768High Energy Physics - Phenomenologytext