%0 Journal Article %A Leo J. Alex %A Lorraine L. Foster %T On the Diophantine equation 1 + x + y = z, with xyz = 2r3s7t. %J Forum mathematicum %D 1995 %P 645-664 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FORUM_1995__7_1_186441/ %F FORUM_1995__7_1_186441