@article{GDZPPN001179454, title = {Spectral Methods for Exterior Elliptic Problems.}, journal = {Numerische Mathematik}, volume = {46}, year = {1985}, pages = {505-520}, zbl = {0548.65082}, url = {http://dml.mathdoc.fr/item/GDZPPN001179454} }
Canuto, C.; Hariharan, S.I.; Lustman, L. Spectral Methods for Exterior Elliptic Problems.. Numerische Mathematik, Tome 46 (1985) pp. 505-520. http://gdmltest.u-ga.fr/item/GDZPPN001179454/