00677nam0-22002411i-450-990001205740403321000120574FED01000120574(Aleph)000120574FED0100012057420000920d1984----km-y0itay50------baengMathematicalApplications of category theoryEditor J. W. GrayProvidence (RI)American Mathematical Society1984Contemporary mathematics30ITUNINARICAUNIMARCBK990001205740403321C-1-(302145MA1MA1Mathematical343641UNINAING01