00549cam 22002051 450 1900144http://id.bnportugal.gov.pt/bib/porbase/190014420030511055000.00-387-96254-977222PTBN0040238319900205d1986 k y0pory0103 baenglatUSDisquisitiones arithmeticaeNew YorkSpringer-Verlag1986XX, 472 p.511BNpor295052GaussCarl Friedrich512934PTBNRPCMT-01-50coopUAVSDmq610384bccoopUAVSD554930UAVS8-174