@article{TMF_2017_191_3_a0,
     author = {I. T. Habibullin and A. R. Khakimova},
     title = {Invariant manifolds and {Lax} pairs for integrable nonlinear chains},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {369--388},
     publisher = {mathdoc},
     volume = {191},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2017_191_3_a0/}
}