@article{PPN481110151_0007+dmdlog34,
title = {On the Diophantine equation 1 + x + y = z, with xyz = 2r3s7t.},
journal = {Forum mathematicum},
volume = {7},
year = {1995},
pages = {645-664},
zbl = {0843.11017},
url = {http://dml.mathdoc.fr/item/PPN481110151_0007+dmdlog34}
}
Alex, Leo J.; Foster, Lorraine L. On the Diophantine equation 1 + x + y = z, with xyz = 2r3s7t.. Forum mathematicum, Tome 7 (1995) pp. 645-664. http://gdmltest.u-ga.fr/item/PPN481110151_0007+dmdlog34/