%0 Journal Article
%A Lin Qun
%T Fourth order eigenvalue approximation by extrapolation on domains with reentrant corners.
%J Numerische Mathematik
%D 1990
%P 631-640
%V 58
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133521/
%F NUMA_1990__58_5_133521