This paper deals with the joint distributions of some characteristics of the two-dimensional simple symmetric random walk in which a particle at any stage moves one unit in any one of the four directions, namely, north, south, east, and west with equal probability.
Citation
Jagdish Saran, Sarita Rani. Some Joint Distributions Concerning Random Walk in a Plane[J], Ars Combinatoria, Volume 038. 33-45. .