@article{TMF_2023_215_2_a6, author = {M. N. Kuznetsova and I. T. Habibullin and A. R. Khakimova}, title = {On the~problem of classifying integrable chains with three independent variables}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {242--268}, publisher = {mathdoc}, volume = {215}, number = {2}, year = {2023}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_2023_215_2_a6/} }