@article{chattopadhyay_debnath_2009,  title={Tachyonic field interacting with scalar (phantom) field},  volume={39},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332009000100015},  DOI={10.1590/S0103-97332009000100015},  number={1},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Chattopadhyay, Surajit and Debnath, Ujjal},  year={2009},  month={Mar},  pages={86–91} }