[1] R.M.Rosenberg,Normal modes in nonlinear dual-mode systelns,J.Appl.Mecll.,27,3(1960),263-268.
[2] R.M.Rosenberg,.On normal vibrations of a general class of nonlinear dual-mode systems,J.Appl.Mech.,28,3(1961),275--283.
[3] R.M.Rosenberg,The normal modes of nonlinear n-degree of freedom systems,J.Appl.Mech.,30,1(1962),7--14.
[4] R.M.Rosenberg,On a geometrical method in nonlinear vibrations,in Les Vibrations Forces dans systems Nonlinearies,Int.Conf.in Nonlinear Vibrations,Marseille(1964).
[5] R.M.Rossenberg,On nonlinear vibrations of systems with many degrees of freedom,Adv.Appl.Met(1.,8,2(1966),155--242.
[6] S.W.Shaw and C.Pierre,Normal modes for nonlinear vibrations systems,J.Sottnd Vibratidn,164,1(1993),35--122.
[7] G.V.Anand,Natural modes of a coupled nonlinear system,hTternat.J.Non-Linear Mech.,7,1(1972),81~91.
[8] A.K.Mishra and M.C.Singh,The normal modes of nonlinear symmetric systems by group representation theory,htternat.J.Non-Lhzear.Mech.,9,4(1974),463--480.
[9] T.K.Caughey,A.Vakakis and J.M.Sivo,Analytical study of'similar normal modes and their bifurcations in a class of strongly nonlinear systems,hlternat.J.Non-Linear Mech.,25,5.(1990),521--533.
[10] T.L.Jonson and R.Rand,On the existence and bifurcation of minimal modes,haternat.J.Non-Lhzear Mech.,14,1(1979),1~12.
[11] Chen Yushu and Xu Jian,Universal classification of bifurcating solutions to a primary parametric resonance in Van del Pol-Duffing-Mathieu's systems,Science hi Chhta,Series A,39,4(1996),405~417.
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