First-passage-time distribution in a random random walk.

@article{Noskowicz1990FirstpassagetimeDI,
  title={First-passage-time distribution in a random random walk.},
  author={Noskowicz and Goldhirsch},
  journal={Physical review. A, Atomic, molecular, and optical physics},
  year={1990},
  volume={42 4},
  pages={2047-2064}
}