@article{barnett_1924, 
  title={Book Review: The Cambridge Colloquium Lectures, 1916. Part I: Functionals and their Applications. Selected Topics, including Integral Equations}, 
  volume={30}, 
  DOI={10.1090/s0002-9904-1924-03849-x}, 
  number={3-4}, 
  publisher={American Mathematical Society (AMS)}, 
  author={Barnett}, 
  year={1924}
  }