@article{1258131116, author = {Helson, Henry and Zabihi, Farhad}, title = {A geometric problem in function theory}, journal = {Illinois J. Math.}, volume = {51}, number = {3}, year = {2007}, pages = { 1027-1034}, language = {en}, url = {http://dml.mathdoc.fr/item/1258131116} }
Helson, Henry; Zabihi, Farhad. A geometric problem in function theory. Illinois J. Math., Tome 51 (2007) no. 3, pp. 1027-1034. http://gdmltest.u-ga.fr/item/1258131116/