@article{jmlr2018,
 author = {A. G. Baydin and
           B. A. Pearlmutter and
           A. A. Radul and
           J. M. Siskind},
 title = {Automatic differentiation in machine learning: a survey},
 journal = {Journal of Machine Learning Research (JMLR)},
 volume = 18,
 number = 153,
 pages = {1-43},
 month = apr,
 year = 2018,
 url = {http://engineering.purdue.edu/~qobi/papers/jmlr2018.pdf}}