%0 Journal Article
%A Ojea, Ignacio
%T Optimal a priori error estimates in weighted Sobolev spaces for the Poisson problem with singular sources
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 2021
%P S879-S907
%V 55
%N Supplément
%I EDP-Sciences
%U https://www.numdam.org/articles/10.1051/m2an/2020065/
%R 10.1051/m2an/2020065
%G en
%F M2AN_2021__55_S1_S879_0