%0 Journal Article %A Bogomolov, F. A. %A Landia, A. N. %T 2-cocycles and Azumaya algebras under birational transformations of algebraic schemes %J Compositio Mathematica %D 1990 %P 1-5 %V 76 %N 1-2 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1990__76_1-2_1_0/ %G en %F CM_1990__76_1-2_1_0