%0 Journal Article %T On dispersion for Klein Gordon equation with periodic potential in 1D %A Scipio Cuccagna %J Mathematics %D 2007 %I arXiv %X By exploiting estimates on Bloch functions obtained in a previous paper, we prove decay estimates for Klein Gordon equations with a time independent potential periodic in space in 1D and with generic mass %U http://arxiv.org/abs/0711.4190v1