For citations:
, Dobrovol’skii N.N., Dobrovol’skii N.M. About one functional equation. Chebyshevskii Sbornik. 2021;22(5):359-364. (In Russ.) https://doi.org/10.22405/2226-8383-2021-22-5-359-364
, Dobrovol’skii N.N., Dobrovol’skii N.M. About one functional equation. Chebyshevskii Sbornik. 2021;22(5):359-364. (In Russ.) https://doi.org/10.22405/2226-8383-2021-22-5-359-364