@article{FORUM_1995__7_1_186441,
     author = {Leo J. Alex and Lorraine L. Foster},
     title = {On the {Diophantine} equation 1 + x + y = z, with xyz = 2r3s7t.},
     journal = {Forum mathematicum},
     pages = {645--664},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1995},
     zbl = {0843.11017},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1995__7_1_186441/}
}