@article{TMF_2022_213_2_a5,
     author = {I. T. Habibullin and A. R. Khakimova},
     title = {Integrals and characteristic algebras for systems of discrete equations on a quadrilateral graph},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {320--346},
     year = {2022},
     volume = {213},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2022_213_2_a5/}
}