Gilbert Strang. Maximal flow through a domain. Math. Program., 26(2):123-143, 1983. [doi]
@article{Strang83,
title = {Maximal flow through a domain},
author = {Gilbert Strang},
year = {1983},
doi = {10.1007/BF02592050},
url = {http://dx.doi.org/10.1007/BF02592050},
researchr = {https://researchr.org/publication/Strang83},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {26},
number = {2},
pages = {123-143},
}