@article{GDZPPN001186906,
title = {Numerical verifications of solutions for elliptic equations in nonconvex polygonal domains.},
journal = {Numerische Mathematik},
volume = {66},
year = {1993},
pages = {503-522},
zbl = {0797.65081},
url = {http://dml.mathdoc.fr/item/GDZPPN001186906}
}
Nakao, Mitsuhiro T.; Yamamoto, N. Numerical verifications of solutions for elliptic equations in nonconvex polygonal domains.. Numerische Mathematik, Tome 66 (1993) pp. 503-522. http://gdmltest.u-ga.fr/item/GDZPPN001186906/