@article{1077468345,
author = {Buck, R. C.},
title = {Converse forms of the Hadamard product theorem},
journal = {Duke Math. J.},
volume = {26},
number = {1},
year = {1959},
pages = { 133-136},
language = {en},
url = {http://dml.mathdoc.fr/item/1077468345}
}
Buck, R. C. Converse forms of the Hadamard product theorem. Duke Math. J., Tome 26 (1959) no. 1, pp. 133-136. http://gdmltest.u-ga.fr/item/1077468345/