00715nam0-22002651i-450-99000132159040332120031023152517.0000132159FED01000132159(Aleph)000132159FED0100013215920001205d1990----km-y0itay50------baengGeneratingfungtionologyHerbert S. WilfBoston [MA]Academic Press1990VIII, 184 p.23 cm515Wilf,Herbert S.<1931- >12671ITUNINARICAUNIMARCBK990001321590403321120-G-129095MA1MA1Generatingfungtionology382984UNINA