@article{PismaZhETF.62.649,
    title = {Instability of two-dimensional solitons in discrete systems},
    author = {Laedke, E. W. and Spatschek, K. H. and Mezentsev, V. K. and Musher, S. L. and Ryzhenkova, I. V. and Turitsyn, S. K.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {62},
    issue = {8},
    pages = {649},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_14468.shtml},
}