@article{GDZPPN001173472, title = {Lower Bounds for the Zeros of Analytic Functions.}, journal = {Numerische Mathematik}, volume = {26}, year = {1976}, pages = {239-248}, zbl = {0326.65031}, url = {http://dml.mathdoc.fr/item/GDZPPN001173472} }
Ifantis, E.K.; Kouris, C.B. Lower Bounds for the Zeros of Analytic Functions.. Numerische Mathematik, Tome 26 (1976) pp. 239-248. http://gdmltest.u-ga.fr/item/GDZPPN001173472/