@article{wang2021regularization,
  author = "S. Wang and E. Alexov and S. Zhao",
  title = "On regularization of charge singularities in solving the Poisson-Boltzmann equation with a smooth solute-solvent boundary [J]",
  year = 2021,
  journal = "Mathematical Biosciences and Engineering",
  volume = 18,
  number = 2,
  pages = "1370-1405"
}