%0 Journal Article %A Y.T. Siu %T On the solution of the equation f' (...) = ...f (g (...)). %J Mathematische Zeitschrift %D 1965 %P 391-392 %V 90 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1965__90_170497/ %F MZ_1965__90_170497