Hans-Jürgen Bandelt, Andreas W. M. Dress. An order theoretic framework for overlapping clustering. Discrete Mathematics, 136(1-3):21-37, 1994. [doi]
@article{BandeltD94,
title = {An order theoretic framework for overlapping clustering},
author = {Hans-Jürgen Bandelt and Andreas W. M. Dress},
year = {1994},
doi = {10.1016/0012-365X(94)00105-R},
url = {http://dx.doi.org/10.1016/0012-365X(94)00105-R},
researchr = {https://researchr.org/publication/BandeltD94},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {136},
number = {1-3},
pages = {21-37},
}