@article{1183525698, author = {Springer, George}, title = {Fredholm eigenvalues and quasiconformal mapping}, journal = {Bull. Amer. Math. Soc.}, volume = {69}, number = {4}, year = {1963}, pages = { 810-811}, language = {en}, url = {http://dml.mathdoc.fr/item/1183525698} }
Springer, George. Fredholm eigenvalues and quasiconformal mapping. Bull. Amer. Math. Soc., Tome 69 (1963) no. 4, pp. 810-811. http://gdmltest.u-ga.fr/item/1183525698/