Sam D. Howison, Igor Loutsenko, John R. Ockendon. A class of exactly solvable free-boundary inhomogeneous porous medium flows. Appl. Math. Lett., 20(1):93-97, 2007. [doi]
@article{HowisonLO07,
title = {A class of exactly solvable free-boundary inhomogeneous porous medium flows},
author = {Sam D. Howison and Igor Loutsenko and John R. Ockendon},
year = {2007},
doi = {10.1016/j.aml.2006.03.005},
url = {http://dx.doi.org/10.1016/j.aml.2006.03.005},
tags = {data-flow},
researchr = {https://researchr.org/publication/HowisonLO07},
cites = {0},
citedby = {0},
journal = {Appl. Math. Lett.},
volume = {20},
number = {1},
pages = {93-97},
}