Habibullin, I. T.Pekcan, A.2016-02-082016-02-0820070040-5779http://hdl.handle.net/11693/27105We study characteristic Lie algebras of semi-discrete chains and attempt to use this notion to classify Darboux-integrable chains. © Springer Science+Business Media, Inc. 2007.EnglishDiscrete equationIntegrabilityLiouville - type equationCharacteristic Lie algebra and classification of semidiscrete modelsArticle10.1007/s11232-007-0064-61573-9333