@article{pub2018aprovablypositivediscontinuousgalerkinmethodformultidimensionalideal,
  author = {Kailiang Wu and Chi-Wang Shu},
  title = {{A provably positive discontinuous Galerkin method for multidimensional ideal magnetohydrodynamics}},
  journal = {SIAM Journal on Scientific Computing},
  year = {2018},
  volume = {40},
  number = {5},
  pages = {B1302--B1329},
  eprint = {1807.00246},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1807.00246}
}