Voir la notice de l'article provenant de la source European Digital Mathematics Library
@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 = {https://geodesic-test.mathdoc.fr/item/PORMA_1974__33_2_115218/} }
Saade, Marshall. A note on some identities equivalent to xy=wz. Portugaliae mathematica, Tome 33 (1974) no. 2, pp. 65-67. https://geodesic-test.mathdoc.fr/item/PORMA_1974__33_2_115218/