@article{00697102,
title = {Infinite products over visible lattice points.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {17},
year = {1994},
pages = {637-654},
doi = {10.1155/S0161171294000918},
zbl = {0811.05006},
language = {en},
url = {http://dml.mathdoc.fr/item/00697102}
}
Campbell, Geoffrey B. Infinite products over visible lattice points.. International Journal of Mathematics and Mathematical Sciences, Tome 17 (1994) pp. 637-654. doi : 10.1155/S0161171294000918. http://gdmltest.u-ga.fr/item/00697102/