For citations:
Bondareva I.V., Luchin M.Yu., Salikhov V.Kh. Symmetrized polynomials in a problem of estimating of the irrationality measure of number ln3. Chebyshevskii Sbornik. 2018;19(1):15-25. (In Russ.) https://doi.org/10.22405/2226-8383-2018-19-1-15-25