[1] Alves C O, Cvalcanti M M, Domingos Cavalcanti V N, Rammaha M A, Toundykov D. On existence, uniform decay rates and blow up for solutions of systems of nonlinear wave equations with damping and source terms. Discrete Contin Dyn Syst Ser, 2009, S2(2): 583-608
[2] Agre K, Rammaha M A. Systems of nonlinear wave equations with damping and source terms. Differential Integral Equations, 2006, 19(11): 1235-1270
[3] Li G, Sun Y, Liu W. Global existence, uniform decay and blow-up of solutions for a system of Petrovsky equations. Nonlinear Anal, 2011, 74: 1523-1538
[4] Li M R, Tsai Long-Yi. Existence and nonexistence of global solutions of some system of semilinear wave equations. Nonlinear Anal TMA, 2003, 54: 1397-1415
[5] Lili S, Guo B, Gao W. A lower bound for the blow-up time to a damped semilinear wave equation. Appl Math Lett, 2014, 37: 22-25
[6] Liu W. Arbitrary rate of decay for a viscoelastic equation with acoustic boundary conditions. Appl Math Lett, 2014, 38: 155-161
[7] Liu W. Existence and general decay for nondissipative distributed systems with boundary frictional and memory dampings and acoustic boundary conditions. Z Angew Math Phys, 2015, 66(4): 1595-1614
[8] Messaoudi S A, Rammaha M A. Global existence and nonexistence in a system of Petrovsky. J Math Anal Appl, 2002, 265(2): 296-308
[9] Oguntase J A. On an inequality of Gronwall. J Inequal Pure Appl Math, 2001, 2(1): 1-6
[10] Philipin G A. Lower bounds for blow-up time in a class of nonlinear wave equations. Z Angew Math Phys, 2015, 66(1): 129-134
[11] Pucci P A, Serrin J. Global nonexistence for abstract evolution equations with positive initial energy. J Differential Equations, 1998, 150: 203-214
[12] Rammaha M A, Sakuntasathien S. Global existence and blow up of solutions to systems of nonlinear wave equations with degenerate damping and source terms. Nonlinear Anal, 2010, 72(5): 2658-2683
[13] Rammaha M A, Strei T A. Global existence and nonexistence for nonlinear wave equations with damping and source terms. Trans Am Math Soc, 2002, 354(9): 3621-3627
[14] Said-Houari B. Global nonexistence of positive initial-energy solutions of a system of nonlinear wave equa-tions with damping and source terms. Differential Integral Equations, 2010, 23(1/2): 79-92
[15] Wu S T. Blow-up of solutions for a system of nonlinear wave equations with nonlinear damping. Elect J Differential Equations, 2009, 105: 1-11
[16] Wu S T. Blow-up results for systems of nonlinear Klein-Gordon equations with arbitrary positive initial energy. Elect J Differential Equations, 2012, 2012: 1-13
[17] Wu S T. General decay of solutions for a nonlinear system of viscoelastic wave equations with degenerate damping and source terms. Appl Math Lett, 2013, 406(1): 34-48
[18] Zhou J. Lower bounds for blow-up time of two nonlinear wave equations. Appl Math Lett, 2015, 45: 64-68