@article{marcotte2018optimal</br>
  title={Optimal mixing in two-dimensional stratified plane Poiseuille flow at finite Peclet and Richardson numbers}</br>
  author={Marcotte</br> F. and Caulfield</br> C. P.}</br>
  journal={J. Fluid Mech}</br>
  volume={853}</br>
  pages={359--385}</br>
  year={2018}</br>
  publisher={Cambridge University Press}</br>
  URL = {https://doi.org/10.1017/jfm.2018.565}
}