%0 Journal Article %A Manohar L. Madan %T On a Theorem of M. Deuring and I.R. Safarevic. %J Manuscripta mathematica %D 1977 %P 91-102 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1977__23_154509/ %F MM2_1977__23_154509