%0 Journal Article %A A. A. Dosiev %T A fourth-order accurate composite grid method for solving Laplace's boundary value problems with singularities %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2002 %P 867-884 %V 42 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2002_42_6_a9/ %G en %F ZVMMF_2002_42_6_a9