@article{01690462, title = {Isoperimetric inequality for torsional rigidity in the complex plane.}, journal = {Journal of Inequalities and Applications [electronic only]}, volume = {6}, year = {2001}, pages = {253-260}, doi = {10.1155/S1025583401000157}, zbl = {0989.30002}, language = {en}, url = {http://dml.mathdoc.fr/item/01690462} }
Salakhudinov, R.G. Isoperimetric inequality for torsional rigidity in the complex plane.. Journal of Inequalities and Applications [electronic only], Tome 6 (2001) pp. 253-260. doi : 10.1155/S1025583401000157. http://gdmltest.u-ga.fr/item/01690462/