@article{AM2_1976__14_136624, author = {M.A. McKiernan}, title = {Equation of the form {H(x...y)} = ...ifi(x)gi(y). {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {515--515}, year = {1976}, volume = {14}, url = {http://geodesic.mathdoc.fr/item/AM2_1976__14_136624/} }