For citations:
Bashmakova M.G., Zolotukhina E.S. On estimate of irrationality measure of the numbers \\ $\sqrt{4k+3}\ln{\frac{\sqrt{4k+3}+1}{\sqrt{4k+3}-1}}$ and $\frac{1}{\sqrt{k}}\arctg{\frac{1}{\sqrt{k}}}^1$. Chebyshevskii Sbornik. 2018;19(2):15-29. (In Russ.) https://doi.org/10.22405/2226-8383-2018-19-2-15-29