BibTeX
@ARTICLE{
         Yang2021FET,
       author = "James Yang",
       title = "Fast{AD}: Expression Template-Based {C}++ Library for Fast and Memory-Efficient
         Automatic Differentiation",
       howpublished = "arXiv:2102.03681v1",
       year = "2021",
       numpages = "1--20",
       doi = "10.48550/arXiv.2102.03681"
}