@article{Tsvetkov2015analysis,
author={Tsvetkov, V.P. and Tsvetkov, I.V.},
title={Analysis of a piecewise linear trend of average surface temperature in the mathematical model of multifractal dynamics},
journal={Russian Journal of Earth Sciences},
publisher={Geophysical Center of the Russian Academy of Sciences},
year={2015},
pages={1-5},
volume={15},
issue={2},
}