@article{GDZPPN001182498,
title = {The Convergence of a Direct BEM for the Plane Mixed Boundary Value Problem of the Laplacian.},
journal = {Numerische Mathematik},
volume = {56},
year = {1989},
pages = {145-166},
zbl = {0661.65116},
url = {http://dml.mathdoc.fr/item/GDZPPN001182498}
}
Schmidt, G.; Strese, H. The Convergence of a Direct BEM for the Plane Mixed Boundary Value Problem of the Laplacian.. Numerische Mathematik, Tome 56 (1989) pp. 145-166. http://gdmltest.u-ga.fr/item/GDZPPN001182498/