@article{tsypin_galvão_2005,  title={Collisional transport in axisymmetric plasma columns with strong longitudinal flows: application to solar loops},  volume={35},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332005000300029},  DOI={10.1590/S0103-97332005000300029},  number={2b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Tsypin, V. S. and Galvão, R.M.O.},  year={2005},  month={Jun},  pages={544–553} }