@article{heijne_2011, 
  title={The maximal rank of elliptic Delsarte surfaces}, 
  volume={81}, 
  DOI={10.1090/s0025-5718-2011-02529-9}, 
  number={278}, 
  publisher={American Mathematical Society (AMS)}, 
  author={Heijne}, 
  year={2011}, 
  month={Aug}
  }