Ingo Althöfer, Torsten Sillke. An average distance inequality for large subsets of the cube. Journal of Combinatorial Theory, Series A, 56(2):296-301, 1992. [doi]
@article{AlthoferS92,
title = {An average distance inequality for large subsets of the cube},
author = {Ingo Althöfer and Torsten Sillke},
year = {1992},
doi = {10.1016/0095-8956(92)90024-R},
url = {http://dx.doi.org/10.1016/0095-8956(92)90024-R},
researchr = {https://researchr.org/publication/AlthoferS92},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {56},
number = {2},
pages = {296-301},
}