%0 Journal Article %A Bratteli, Ola %A Elliott, George A. %A Robinson, Derek W. %T The characterization of differential operators by locality : classical flows %J Compositio Mathematica %D 1986 %P 279-319 %V 58 %N 3 %I Martinus Nijhoff Publishers %U http://www.numdam.org/item/CM_1986__58_3_279_0/ %G en %F CM_1986__58_3_279_0