S Ya Startsev, “Darboux integrable discrete equations possessing an autonomous first-order integral”, J. Phys. A: Math. Theor., 47, № 10, 2014, 105204
R. N. Garifullin, R. I. Yamilov, “An Unusual Series of Autonomous Discrete Integrable Equations on a Square Lattice”, Theor Math Phys, 200, № 1, 2019, 966
V E Adler, V V Postnikov, “On discrete 2D integrable equations of higher order”, J. Phys. A: Math. Theor., 47, № 4, 2014, 045206
Christian Scimiterna, Mike Hay, Decio Levi, “On the integrability of a new lattice equation found by multiple scale analysis”, J. Phys. A: Math. Theor., 47, № 26, 2014, 265204
Giorgio Gubbiotti, Symmetries and Integrability of Difference Equations, 2017, 75
Rustem N Garifullin, Ismagil T Habibullin, “Generalized symmetries and integrability conditions for hyperbolic type semi-discrete equations *”, J. Phys. A: Math. Theor., 54, № 20, 2021, 205201
Rustem N Garifullin, Ravil I Yamilov, “Integrable discrete nonautonomous quad-equations as Bäcklund auto-transformations for known Volterra and Toda type semidiscrete equations”, J. Phys.: Conf. Ser., 621, 2015, 012005
Pavlos Xenitidis, “Determining the symmetries of difference equations”, Proc. R. Soc. A., 474, № 2219, 2018, 20180340
I. T. Habibullin, A. R. Khakimova, “A Direct Algorithm for Constructing Recursion Operators and Lax Pairs for Integrable Models”, Theor Math Phys, 196, № 2, 2018, 1200
I T Habibullin, M N Poptsova, “Asymptotic diagonalization of the discrete Lax pair around singularities and conservation laws for dynamical systems”, J. Phys. A: Math. Theor., 48, № 11, 2015, 115203