For citations:
Shafarevich A.I., Fomenko A.T., Ivanov A.O., Demidov S.S., Gashkov S.B., Nizhnikov A.I., Fomin A.A., Deza E.I., Kanel-Belov A.Ya., Dobrovol'skii N.M., Dobrovol'skii N.N., Rebrova I.Yu. Vladimir Nikolaevich Chubarikov (to the 70th anniversary of his birth). Chebyshevskii Sbornik. 2021;22(5):5-15. (In Russ.) https://doi.org/10.22405/2226-8383-2021-22-5-5-15