Ulrich Faigle, Walter Kern. On the core of ordered submodular cost games. Math. Program., 87(3):483-499, 2000. [doi]
@article{FaigleK00-0,
title = {On the core of ordered submodular cost games},
author = {Ulrich Faigle and Walter Kern},
year = {2000},
doi = {10.1007/s101070050008},
url = {http://dx.doi.org/10.1007/s101070050008},
researchr = {https://researchr.org/publication/FaigleK00-0},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {87},
number = {3},
pages = {483-499},
}