@misc{arndt_the_dealii_2021, author={Arndt, D., Bangerth, W., Blais, B., Fehling, M., Gassmöller, R., Heister, T., Heltai, L., Kronbichler, M., Köcher, U., Maier, M., Munch, P., Pelteret, J., Proell, S., Simon, K., Turcksin, B., Wells, D., Zhang, J.}, title={The deal.II library, Version 9.3}, year={2021}, howpublished = {journal article}, doi = {https://doi.org/10.1515/jnma-2021-0081}, abstract = {This paper provides an overview of the new features of the finite element library deal.II, version 9.3.}, note = {Online available at: \url{https://doi.org/10.1515/jnma-2021-0081} (DOI). Arndt, D.; Bangerth, W.; Blais, B.; Fehling, M.; Gassmöller, R.; Heister, T.; Heltai, L.; Kronbichler, M.; Köcher, U.; Maier, M.; Munch, P.; Pelteret, J.; Proell, S.; Simon, K.; Turcksin, B.; Wells, D.; Zhang, J.: The deal.II library, Version 9.3. Journal of Numerical Mathematics. 2021. vol. 29, no. 3, 171-186. DOI: 10.1515/jnma-2021-0081}}