@article{1103039466, author = {Schiffer, M.}, title = {Fredholm eigen values of multiply-connected domains.}, journal = {Pacific J. Math.}, volume = {9}, number = {4}, year = {1959}, pages = { 211-269}, language = {en}, url = {http://dml.mathdoc.fr/item/1103039466} }
Schiffer, M. Fredholm eigen values of multiply-connected domains.. Pacific J. Math., Tome 9 (1959) no. 4, pp. 211-269. http://gdmltest.u-ga.fr/item/1103039466/