@ARTICLE{
author={Jovanovic Bosko S,Kandilarov JD,Vulkov Lubin G},
year={2001},
title={Construction and convergence of difference schemes for a modell elliptic equation with Dirac-delta function coefficient},
journal={NUMERICAL ANALYSIS AND ITS APPLICATIONS},
volume={1988},
number={},
pages={431-438},
document_type={Article},
}