Joseph L. Gastwirth, P. K. Bhattacharya. Two Probability Models of Pyramid or Chain Letter Schemes Demonstrating that Their Promotional Claims are Unreliable. Operations Research, 32(3):527-536, 1984. [doi]
@article{GastwirthB84,
title = {Two Probability Models of Pyramid or Chain Letter Schemes Demonstrating that Their Promotional Claims are Unreliable},
author = {Joseph L. Gastwirth and P. K. Bhattacharya},
year = {1984},
doi = {10.1287/opre.32.3.527},
url = {http://dx.doi.org/10.1287/opre.32.3.527},
researchr = {https://researchr.org/publication/GastwirthB84},
cites = {0},
citedby = {0},
journal = {Operations Research},
volume = {32},
number = {3},
pages = {527-536},
}