%0 Journal Article
%A A. Spence
%T Error Bounds and Estimates for Eigenvalues of Integral Equations.
%J Numerische Mathematik
%D 1977
%P 133-148
%V 29
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1977__29_132509/
%F NUMA_1977__29_132509