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@article{MZ_1965__90_170497, author = {Y.T. Siu}, title = {On the solution of the equation f' (...) = ...f (g (...)).}, journal = {Mathematische Zeitschrift}, pages = {391--392}, publisher = {mathdoc}, volume = {90}, year = {1965}, zbl = {0128.30702}, url = {http://geodesic.mathdoc.fr/item/MZ_1965__90_170497/} }
Y.T. Siu. On the solution of the equation f' (...) = ...f (g (...)).. Mathematische Zeitschrift, Tome 90 (1965), pp. 391-392. http://geodesic.mathdoc.fr/item/MZ_1965__90_170497/