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@article{AM2_1978__18_136782, author = {M.J. Frank}, title = {On the simultaneous associativity of {F(x,} y) and {x+y-F(x,} y). {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {266--268}, publisher = {mathdoc}, volume = {18}, year = {1978}, url = {http://geodesic.mathdoc.fr/item/AM2_1978__18_136782/} }
M.J. Frank. On the simultaneous associativity of F(x, y) and x+y-F(x, y). (Short Communication).. Aequationes mathematicae, Tome 18 (1978), pp. 266-268. http://geodesic.mathdoc.fr/item/AM2_1978__18_136782/