@article{COMIM_1998__6_1_a18,
     author = {Louboutin, S. and Newman, M. F.},
     title = {On the diophantine equation $xy+yz+zx=d$},
     journal = {Communications in Mathematics},
     pages = {155--158},
     publisher = {mathdoc},
     volume = {06},
     number = {1},
     year = {1998},
     mrnumber = {1822526},
     zbl = {1024.11015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_1998__6_1_a18/}
}