@article{TMF_2007_151_3_a8,
     author = {I. T. Habibullin and A. Pekcan},
     title = {Characteristic {Lie} algebra and classification of semidiscrete models},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {413--423},
     publisher = {mathdoc},
     volume = {151},
     number = {3},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_151_3_a8/}
}