@article{GDZPPN00234713X, title = {A Theorem on the Minimum Modulus of Entire Functions.}, journal = {Mathematica Scandinavica}, volume = {13}, year = {1963}, pages = {5-11}, zbl = {0117.03805}, url = {http://dml.mathdoc.fr/item/GDZPPN00234713X} }
Kjellberg, Bo. A Theorem on the Minimum Modulus of Entire Functions.. Mathematica Scandinavica, Tome 13 (1963) pp. 5-11. http://gdmltest.u-ga.fr/item/GDZPPN00234713X/