@article{SMJ2_1996_22_4_a6,
     author = {Schinzel, A.},
     title = {Triples of {Positive} {Integers} with the same {Sum} and the same {Product}},
     journal = {Serdica Mathematical Journal},
     pages = {587--588},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_1996_22_4_a6/}
}