%0 Journal Article %A Banerjee, Uday %T Approximation of eigenvalues of differential equations with non-smooth coefficients %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1988 %P 29-51 %V 22 %N 1 %I AFCET - Gauthier-Villars %C Paris %U http://geodesic.mathdoc.fr/item/M2AN_1988__22_1_29_0/ %G en %F M2AN_1988__22_1_29_0