@article{cooper_hoare_rahman_1977, 
  title={Stochastic processes and special functions: On the probabilistic origin of some positive kernels associated with classical orthogonal polynomials}, 
  volume={61}, 
  DOI={10.1016/0022-247x(77)90160-3}, 
  publisher={Elsevier BV}, 
  author={Cooper and Hoare and Rahman}, 
  year={1977}
  }