@article{GDZPPN002027569, title = {The Equation F(F(x, y), F(z, y)) = F(x, z). (Short Communication).}, journal = {Aequationes mathematicae}, volume = {10}, year = {1974}, pages = {117-117}, url = {http://dml.mathdoc.fr/item/GDZPPN002027569} }
Chinda, K.P. The Equation F(F(x, y), F(z, y)) = F(x, z). (Short Communication).. Aequationes mathematicae, Tome 10 (1974) p. 117. http://gdmltest.u-ga.fr/item/GDZPPN002027569/