@article{GDZPPN001175009,
title = {Error Bounds and Estimates for Eigenvalues of Integral Equations. II.},
journal = {Numerische Mathematik},
volume = {33},
year = {1979},
pages = {139-146},
zbl = {0387.65078},
url = {http://dml.mathdoc.fr/item/GDZPPN001175009}
}
Spence, A. Error Bounds and Estimates for Eigenvalues of Integral Equations. II.. Numerische Mathematik, Tome 33 (1979) pp. 139-146. http://gdmltest.u-ga.fr/item/GDZPPN001175009/