00738nam0-22002411i-450-990001186350403321000118635FED01000118635(Aleph)000118635FED01000118635--------d--------km-y0itay50------baeng<<On >>flat extensions of a ringby NAGATA MMontrealLes Presses de l'Université de Montréal1971Séminaire de Mathématiques Supérieures46Nagata,Masayoshi<matematico ;1927- >12253ITUNINARICAUNIMARCBK99000118635040332125-C-4614887MA1MA1Flat extensions of a ring342661UNINA