@article{PORMA_1974__33_2_115218,
     author = {Saade, Marshall},
     title = {A note on some identities equivalent to xy=wz},
     journal = {Portugaliae mathematica},
     pages = {65--67},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1974},
     mrnumber = {0330323},
     zbl = {0273.20042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1974__33_2_115218/}
}