For citations:

Kozko A.I., Luzhina L.M., Popov A.Yu., Chirskii V.G. Optimal exponent in the Ramsey–Kass–Koopmans problem with logarithmic utility function. Chebyshevskii Sbornik. 2019;20(4):197-207. (In Russ.) https://doi.org/10.22405/2226-8383-2018-20-4-197-207