d'Almeida FD, Titaud O, Vasconcelos PB. A numerical study of iterative refinement schemes for weakly singular integral equations. Applied Mathematics Letters. 2005;18:571-576.Edit

Ahues M, d'Almeida FD, Largillier A., Titaud O, Vasconcelos PB. An L1 refined projection approximate solution of the radiation transfer equation in stellar atmospheres. Journal of Computational and Applied Mathematics. 2002;140:13-26.Edit