00797nam0-22003011i-450-990001274190403321000127419FED01000127419(Aleph)000127419FED0100012741920000920d1971----km-y0itay50------baRUMCategorii abelieneNicolae PopescuBucarestiEditura Academiei Republicii Socialiste Romania1971Categorie abelianeTeoria dei funtori512Popescu,Nicolae58245ITUNINARICAUNIMARCBK99000127419040332110-F-3011584MA1MA118EXX18-02Categorii abeliene380521UNINAING01