00806nam0-22002651i-450-990001285250403321000128525FED01000128525(Aleph)000128525FED0100012852520000920d1980----km-y0itay50------baengHomological invariants of modules over commutative ringsby Roberts PaulMontrealLes Presses de l'Université de Montréal1980Seminaire de Mathematiques Superieures,72Roberts,Paul58610ITUNINARICAUNIMARCBK99000128525040332125-C-7220673MA1MA1Homological invariants of modules over commutative rings384917UNINAING01