%0 Journal Article %A Singh, Balwant %T The Picard group and subintegrality in positive characteristic %J Compositio Mathematica %D 1995 %P 309-321 %V 95 %N 3 %I Kluwer Academic Publishers %U http://archive.numdam.org/item/CM_1995__95_3_309_0/ %G en %F CM_1995__95_3_309_0