TY - JOUR AU - Kutev, N. AU - Kolkovska, N. AU - Dimova, M. TI - Finite Time Blow up of the Solutions to Nonlinear Klein-Gordon Equation with Arbitrary High Positive Initial Energy JO - Serdica Mathematical Journal PY - 2015 SP - 481 EP - 492 VL - 41 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2015_41_4_a9/ LA - en ID - SMJ2_2015_41_4_a9 ER -