@article{P101.198,
author={De Mey, G.},
title={BEM solution of Poisson`s equation with source function satisfying

lambda squared rho=constant },
journal={Engineering Analysis with Boundary Elements},
year={2001},
month={2},
volume={25},
number={2},
pages={141-145},
publisher={Elsevier Science},
address={Amsterdam},
}