@article{1138847169, author = {Jenkins, James A.}, title = {On the sharp form of the three-circles theorem}, journal = {Kodai Math. Sem. Rep.}, volume = {27}, number = {1-2}, year = {1976}, pages = { 155-158}, language = {en}, url = {http://dml.mathdoc.fr/item/1138847169} }
Jenkins, James A. On the sharp form of the three-circles theorem. Kodai Math. Sem. Rep., Tome 27 (1976) no. 1-2, pp. 155-158. http://gdmltest.u-ga.fr/item/1138847169/