Related paper Linear and non-linear flow modes in Pb-Pb collisions at $\sqrt{s_{\rm NN}} =$ 2.76 TeV Study of relationship between linear and non-linear modes in higher order anisotropic flow in Pb--Pb collisions at $\sqrt{s_{_{\rm NN}}} = 2.76$ TeV, according to Eqs. (\ref{eq:equality1}) and (\ref{eq:equality2}). [png] [eps]