TY - JOUR AU - Wu, Shun-Tang TI - Blow-up results for systems of nonlinear Klein-Gordon equations with arbitrary positive initial energy JO - Electronic Journal of Differential Equations PY - 2012 VL - 2012 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a52/ LA - en ID - EJDE_2012__2012__a52 ER -