@article{kokshenev_2000,  title={Relaxation dynamics near ferroelectric phase transitions and the central-peak phenomenon},  volume={30},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332000000400020},  DOI={10.1590/S0103-97332000000400020},  number={4},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Kokshenev, V.B.},  year={2000},  month={Dec},  pages={745–747} }