Robert Beals, Joseph A. Gallian, Patrick Headley, Douglas S. Jungreis. Harmonious groups. Journal of Combinatorial Theory, Series A, 56(2):223-238, 1991. [doi]
@article{BealsGHJ91,
title = {Harmonious groups},
author = {Robert Beals and Joseph A. Gallian and Patrick Headley and Douglas S. Jungreis},
year = {1991},
doi = {10.1016/0097-3165(91)90034-E},
url = {http://dx.doi.org/10.1016/0097-3165(91)90034-E},
researchr = {https://researchr.org/publication/BealsGHJ91},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {56},
number = {2},
pages = {223-238},
}