- V. E. Adler, “Integrable Möbius-invariant evolutionary lattices of second order”, Funct Anal Its Appl, 50, № 4, 2016, 257

- I T Habibullin, A R Khakimova, “On the recursion operators for integrable equations”, J. Phys. A: Math. Theor., 51, № 42, 2018, 425202

- G Gubbiotti, R I Yamilov, “Darboux integrability of trapezoidalH4andH4families of lattice equations I: first integrals”, J. Phys. A: Math. Theor., 50, № 34, 2017, 345205

- R N Garifullin, R I Yamilov, D Levi, “Classification of five-point differential–difference equations II”, J. Phys. A: Math. Theor., 51, № 6, 2018, 065204

- 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

- V. E. Adler, “Integrable Seven-Point Discrete Equations and Second-Order Evolution Chains”, Theor Math Phys, 195, № 1, 2018, 513

- Pavlos Xenitidis, “Determining the symmetries of difference equations”, Proc. R. Soc. A., 474, № 2219, 2018, 20180340

- Giorgio Gubbiotti, “Algebraic Entropy of a Class of Five-Point Differential-Difference Equations”, Symmetry, 11, № 3, 2019, 432

- Sergey Yakovlevich Startsev, “On Darboux non-integrability of Hietarinta equation”, Ufimsk. Mat. Zh., 13, № 2, 2021, 160

- R N Garifullin, I T Habibullin, R I Yamilov, “Peculiar symmetry structure of some known discrete nonautonomous equations”, J. Phys. A: Math. Theor., 48, № 23, 2015, 235201
