@article{EXMA_2003__12_3_52664,
     author = {Ga\'al, Istv\'an and J\'ar\'asi, Istv\'an and Luca, Florian},
     title = {A remark on prime divisors of lengths of sides of {Heron} triangles.},
     journal = {Experimental mathematics},
     pages = {303--310},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2003},
     zbl = {1096.11011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2003__12_3_52664/}
}