%0 Journal Article %A Z.-C. Li %A H.-Ts. Huang %A L.-P. Zhang %A A. A. Lempert %A Lee Ming-Gong %T Analysis of dual null field methods for Dirichlet problems of Laplace's equation in elliptic domains with elliptic holes: bypassing degenerate scale %J The Bulletin of Irkutsk State University. Series Mathematics %D 2021 %P 47-62 %V 37 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2021_37_a3/ %G en %F IIGUM_2021_37_a3