Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Georgiev Vladimir and Ohta Masahito,Nonlinear instability of linearly unstable standing waves for nonlinear Schrödinger equations,Journal of the Mathematical Society of Japan,00255645,The Mathematical Society of Japan,2012,64,2,533-548,https://cir.nii.ac.jp/crid/1390282680093128448,https://doi.org/10.2969/jmsj/06420533