James G. Oxley, Geoff Whittle. Connectivity of submodular functions. Discrete Mathematics, 105(1-3):173-184, 1992. [doi]
@article{OxleyW92,
title = {Connectivity of submodular functions},
author = {James G. Oxley and Geoff Whittle},
year = {1992},
doi = {10.1016/0012-365X(92)90140-B},
url = {http://dx.doi.org/10.1016/0012-365X(92)90140-B},
researchr = {https://researchr.org/publication/OxleyW92},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {105},
number = {1-3},
pages = {173-184},
}