%0 Journal Article %A Andy R. Magid %T The Picard-Vessiot closure in differential Galois theory %J Banach Center Publications %D 2002 %P 151 %V 58 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/BCP_2002__58_1_281834/ %G en %F BCP_2002__58_1_281834