Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1990__58_5_133521, author = {Lin Qun}, title = {Fourth order eigenvalue approximation by extrapolation on domains with reentrant corners.}, journal = {Numerische Mathematik}, pages = {631--640}, publisher = {mathdoc}, volume = {58}, number = {5}, year = {1990}, zbl = {0695.65064}, url = {http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133521/} }
Lin Qun. Fourth order eigenvalue approximation by extrapolation on domains with reentrant corners.. Numerische Mathematik, Tome 58 (1990) no. 5, pp. 631-640. http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133521/