@article{1256053740, author = {Troutman, John L. .}, title = {The logarithmic eigenvalues of plane sets}, journal = {Illinois J. Math.}, volume = {13}, number = {4}, year = {1969}, pages = { 95-107}, language = {en}, url = {http://dml.mathdoc.fr/item/1256053740} }
Troutman, John L. . The logarithmic eigenvalues of plane sets. Illinois J. Math., Tome 13 (1969) no. 4, pp. 95-107. http://gdmltest.u-ga.fr/item/1256053740/